Home / 156,559.50-216,052.11-89,492.94

Finding the Fourth Proportional to 156,559.50, 216,052.11 and 89,492.94

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Solution

The fourth proportional to 156,559.50, 216,052.11 and 89,492.94 is: 123,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,559.50 : 216,052.11 = 89,492.94 : x
  2. Step 2: Convert to fraction form
    156,559.50/216,052.11 = 89,492.94/x
  3. Step 3: Cross multiply
    156,559.50x = 216,052.11 × 89,492.94
  4. Step 4: Simplify right side
    156,559.50x = 19,335,138,517.10
  5. Step 5: Solve for x
    x = 19,335,138,517.10/156,559.50
  6. Step 6: Final answer
    x = 123,500.26

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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.