Home / 136,246.38-187,913.49-88,515.11

Finding the Fourth Proportional to 136,246.38, 187,913.49 and 88,515.11

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Solution

The fourth proportional to 136,246.38, 187,913.49 and 88,515.11 is: 122,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246.38 : 187,913.49 = 88,515.11 : x
  2. Step 2: Convert to fraction form
    136,246.38/187,913.49 = 88,515.11/x
  3. Step 3: Cross multiply
    136,246.38x = 187,913.49 × 88,515.11
  4. Step 4: Simplify right side
    136,246.38x = 16,633,182,298.27
  5. Step 5: Solve for x
    x = 16,633,182,298.27/136,246.38
  6. Step 6: Final answer
    x = 122,081.65

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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.