Home / 137,414.16-205,706.28-124,272.72

Finding the Fourth Proportional to 137,414.16, 205,706.28 and 124,272.72

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Solution

The fourth proportional to 137,414.16, 205,706.28 and 124,272.72 is: 186,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,414.16 : 205,706.28 = 124,272.72 : x
  2. Step 2: Convert to fraction form
    137,414.16/205,706.28 = 124,272.72/x
  3. Step 3: Cross multiply
    137,414.16x = 205,706.28 × 124,272.72
  4. Step 4: Simplify right side
    137,414.16x = 25,563,678,936.68
  5. Step 5: Solve for x
    x = 25,563,678,936.68/137,414.16
  6. Step 6: Final answer
    x = 186,033.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.