Home / 198,191.57-273,502.97-107,545.23

Finding the Fourth Proportional to 198,191.57, 273,502.97 and 107,545.23

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Solution

The fourth proportional to 198,191.57, 273,502.97 and 107,545.23 is: 148,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,191.57 : 273,502.97 = 107,545.23 : x
  2. Step 2: Convert to fraction form
    198,191.57/273,502.97 = 107,545.23/x
  3. Step 3: Cross multiply
    198,191.57x = 273,502.97 × 107,545.23
  4. Step 4: Simplify right side
    198,191.57x = 29,413,939,814.33
  5. Step 5: Solve for x
    x = 29,413,939,814.33/198,191.57
  6. Step 6: Final answer
    x = 148,411.66

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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.