Home / 113,134.14-156,120.78-62,836.38

Finding the Fourth Proportional to 113,134.14, 156,120.78 and 62,836.38

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Solution

The fourth proportional to 113,134.14, 156,120.78 and 62,836.38 is: 86,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,134.14 : 156,120.78 = 62,836.38 : x
  2. Step 2: Convert to fraction form
    113,134.14/156,120.78 = 62,836.38/x
  3. Step 3: Cross multiply
    113,134.14x = 156,120.78 × 62,836.38
  4. Step 4: Simplify right side
    113,134.14x = 9,810,064,657.98
  5. Step 5: Solve for x
    x = 9,810,064,657.98/113,134.14
  6. Step 6: Final answer
    x = 86,711.80

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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.