Home / 156,737.27-216,331.86-103,027.28

Finding the Fourth Proportional to 156,737.27, 216,331.86 and 103,027.28

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Solution

The fourth proportional to 156,737.27, 216,331.86 and 103,027.28 is: 142,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.27 : 216,331.86 = 103,027.28 : x
  2. Step 2: Convert to fraction form
    156,737.27/216,331.86 = 103,027.28/x
  3. Step 3: Cross multiply
    156,737.27x = 216,331.86 × 103,027.28
  4. Step 4: Simplify right side
    156,737.27x = 22,288,083,113.14
  5. Step 5: Solve for x
    x = 22,288,083,113.14/156,737.27
  6. Step 6: Final answer
    x = 142,200.28

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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.