Home / 156,742.14-216,306.66-88,757.27

Finding the Fourth Proportional to 156,742.14, 216,306.66 and 88,757.27

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Solution

The fourth proportional to 156,742.14, 216,306.66 and 88,757.27 is: 122,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.14 : 216,306.66 = 88,757.27 : x
  2. Step 2: Convert to fraction form
    156,742.14/216,306.66 = 88,757.27/x
  3. Step 3: Cross multiply
    156,742.14x = 216,306.66 × 88,757.27
  4. Step 4: Simplify right side
    156,742.14x = 19,198,788,624.42
  5. Step 5: Solve for x
    x = 19,198,788,624.42/156,742.14
  6. Step 6: Final answer
    x = 122,486.45

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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.