Home / 179,118.69-247,016.03-111,146.73

Finding the Fourth Proportional to 179,118.69, 247,016.03 and 111,146.73

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Solution

The fourth proportional to 179,118.69, 247,016.03 and 111,146.73 is: 153,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,118.69 : 247,016.03 = 111,146.73 : x
  2. Step 2: Convert to fraction form
    179,118.69/247,016.03 = 111,146.73/x
  3. Step 3: Cross multiply
    179,118.69x = 247,016.03 × 111,146.73
  4. Step 4: Simplify right side
    179,118.69x = 27,455,023,436.35
  5. Step 5: Solve for x
    x = 27,455,023,436.35/179,118.69
  6. Step 6: Final answer
    x = 153,278.38

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Half scale
Find fourth proportional to 358,237.38, 494,032.05 and 222,293.46
Double scale
Find fourth proportional to 179,119.69, 247,017.40 and 111,147.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.