Home / 136,617.17-188,545.24-102,101.95

Finding the Fourth Proportional to 136,617.17, 188,545.24 and 102,101.95

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Solution

The fourth proportional to 136,617.17, 188,545.24 and 102,101.95 is: 140,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,617.17 : 188,545.24 = 102,101.95 : x
  2. Step 2: Convert to fraction form
    136,617.17/188,545.24 = 102,101.95/x
  3. Step 3: Cross multiply
    136,617.17x = 188,545.24 × 102,101.95
  4. Step 4: Simplify right side
    136,617.17x = 19,250,836,667.22
  5. Step 5: Solve for x
    x = 19,250,836,667.22/136,617.17
  6. Step 6: Final answer
    x = 140,910.81

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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.