Home / 113,318.38-156,382.80-62,328.47

Finding the Fourth Proportional to 113,318.38, 156,382.80 and 62,328.47

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Solution

The fourth proportional to 113,318.38, 156,382.80 and 62,328.47 is: 86,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.38 : 156,382.80 = 62,328.47 : x
  2. Step 2: Convert to fraction form
    113,318.38/156,382.80 = 62,328.47/x
  3. Step 3: Cross multiply
    113,318.38x = 156,382.80 × 62,328.47
  4. Step 4: Simplify right side
    113,318.38x = 9,747,100,658.32
  5. Step 5: Solve for x
    x = 9,747,100,658.32/113,318.38
  6. Step 6: Final answer
    x = 86,015.18

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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.