Home / 157,365.38-236,091.87-68,626.70

Finding the Fourth Proportional to 157,365.38, 236,091.87 and 68,626.70

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Solution

The fourth proportional to 157,365.38, 236,091.87 and 68,626.70 is: 102,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.38 : 236,091.87 = 68,626.70 : x
  2. Step 2: Convert to fraction form
    157,365.38/236,091.87 = 68,626.70/x
  3. Step 3: Cross multiply
    157,365.38x = 236,091.87 × 68,626.70
  4. Step 4: Simplify right side
    157,365.38x = 16,202,205,934.93
  5. Step 5: Solve for x
    x = 16,202,205,934.93/157,365.38
  6. Step 6: Final answer
    x = 102,959.15

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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.