Home / 179,085.82-247,135.80-98,508.54

Finding the Fourth Proportional to 179,085.82, 247,135.80 and 98,508.54

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Solution

The fourth proportional to 179,085.82, 247,135.80 and 98,508.54 is: 135,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,085.82 : 247,135.80 = 98,508.54 : x
  2. Step 2: Convert to fraction form
    179,085.82/247,135.80 = 98,508.54/x
  3. Step 3: Cross multiply
    179,085.82x = 247,135.80 × 98,508.54
  4. Step 4: Simplify right side
    179,085.82x = 24,344,986,839.73
  5. Step 5: Solve for x
    x = 24,344,986,839.73/179,085.82
  6. Step 6: Final answer
    x = 135,940.34

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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.