Home / 156,517.28-216,004.55-88,534.29

Finding the Fourth Proportional to 156,517.28, 216,004.55 and 88,534.29

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Solution

The fourth proportional to 156,517.28, 216,004.55 and 88,534.29 is: 122,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,517.28 : 216,004.55 = 88,534.29 : x
  2. Step 2: Convert to fraction form
    156,517.28/216,004.55 = 88,534.29/x
  3. Step 3: Cross multiply
    156,517.28x = 216,004.55 × 88,534.29
  4. Step 4: Simplify right side
    156,517.28x = 19,123,809,471.02
  5. Step 5: Solve for x
    x = 19,123,809,471.02/156,517.28
  6. Step 6: Final answer
    x = 122,183.37

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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.