Home / 220,517.10-304,313.61-125,023.80

Finding the Fourth Proportional to 220,517.10, 304,313.61 and 125,023.80

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Solution

The fourth proportional to 220,517.10, 304,313.61 and 125,023.80 is: 172,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,517.10 : 304,313.61 = 125,023.80 : x
  2. Step 2: Convert to fraction form
    220,517.10/304,313.61 = 125,023.80/x
  3. Step 3: Cross multiply
    220,517.10x = 304,313.61 × 125,023.80
  4. Step 4: Simplify right side
    220,517.10x = 38,046,443,913.92
  5. Step 5: Solve for x
    x = 38,046,443,913.92/220,517.10
  6. Step 6: Final answer
    x = 172,532.85

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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.