Home / 113,209.53-156,366.17-82,534.05

Finding the Fourth Proportional to 113,209.53, 156,366.17 and 82,534.05

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Solution

The fourth proportional to 113,209.53, 156,366.17 and 82,534.05 is: 113,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.53 : 156,366.17 = 82,534.05 : x
  2. Step 2: Convert to fraction form
    113,209.53/156,366.17 = 82,534.05/x
  3. Step 3: Cross multiply
    113,209.53x = 156,366.17 × 82,534.05
  4. Step 4: Simplify right side
    113,209.53x = 12,905,533,293.09
  5. Step 5: Solve for x
    x = 12,905,533,293.09/113,209.53
  6. Step 6: Final answer
    x = 113,996.88

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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.