Home / 156,949.57-216,591.95-85,331.13

Finding the Fourth Proportional to 156,949.57, 216,591.95 and 85,331.13

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Solution

The fourth proportional to 156,949.57, 216,591.95 and 85,331.13 is: 117,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.57 : 216,591.95 = 85,331.13 : x
  2. Step 2: Convert to fraction form
    156,949.57/216,591.95 = 85,331.13/x
  3. Step 3: Cross multiply
    156,949.57x = 216,591.95 × 85,331.13
  4. Step 4: Simplify right side
    156,949.57x = 18,482,035,842.40
  5. Step 5: Solve for x
    x = 18,482,035,842.40/156,949.57
  6. Step 6: Final answer
    x = 117,757.80

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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.