Home / 136,276.39-187,954.72-88,545.25

Finding the Fourth Proportional to 136,276.39, 187,954.72 and 88,545.25

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Solution

The fourth proportional to 136,276.39, 187,954.72 and 88,545.25 is: 122,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.39 : 187,954.72 = 88,545.25 : x
  2. Step 2: Convert to fraction form
    136,276.39/187,954.72 = 88,545.25/x
  3. Step 3: Cross multiply
    136,276.39x = 187,954.72 × 88,545.25
  4. Step 4: Simplify right side
    136,276.39x = 16,642,497,671.08
  5. Step 5: Solve for x
    x = 16,642,497,671.08/136,276.39
  6. Step 6: Final answer
    x = 122,123.12

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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.