Home / 193,545.13-267,085.42-108,665.77

Finding the Fourth Proportional to 193,545.13, 267,085.42 and 108,665.77

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Solution

The fourth proportional to 193,545.13, 267,085.42 and 108,665.77 is: 149,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,545.13 : 267,085.42 = 108,665.77 : x
  2. Step 2: Convert to fraction form
    193,545.13/267,085.42 = 108,665.77/x
  3. Step 3: Cross multiply
    193,545.13x = 267,085.42 × 108,665.77
  4. Step 4: Simplify right side
    193,545.13x = 29,023,042,820.07
  5. Step 5: Solve for x
    x = 29,023,042,820.07/193,545.13
  6. Step 6: Final answer
    x = 149,954.91

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1.5x scale

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.