Home / 179,287.83-247,383.42-111,321.34

Finding the Fourth Proportional to 179,287.83, 247,383.42 and 111,321.34

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Solution

The fourth proportional to 179,287.83, 247,383.42 and 111,321.34 is: 153,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,287.83 : 247,383.42 = 111,321.34 : x
  2. Step 2: Convert to fraction form
    179,287.83/247,383.42 = 111,321.34/x
  3. Step 3: Cross multiply
    179,287.83x = 247,383.42 × 111,321.34
  4. Step 4: Simplify right side
    179,287.83x = 27,539,052,772.27
  5. Step 5: Solve for x
    x = 27,539,052,772.27/179,287.83
  6. Step 6: Final answer
    x = 153,602.47

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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.