Home / 156,727.52-216,282.24-88,742.64

Finding the Fourth Proportional to 156,727.52, 216,282.24 and 88,742.64

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Solution

The fourth proportional to 156,727.52, 216,282.24 and 88,742.64 is: 122,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.52 : 216,282.24 = 88,742.64 : x
  2. Step 2: Convert to fraction form
    156,727.52/216,282.24 = 88,742.64/x
  3. Step 3: Cross multiply
    156,727.52x = 216,282.24 × 88,742.64
  4. Step 4: Simplify right side
    156,727.52x = 19,193,456,962.71
  5. Step 5: Solve for x
    x = 19,193,456,962.71/156,727.52
  6. Step 6: Final answer
    x = 122,463.86

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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.