Home / 193,146.86-266,545.91-107,109.47

Finding the Fourth Proportional to 193,146.86, 266,545.91 and 107,109.47

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Solution

The fourth proportional to 193,146.86, 266,545.91 and 107,109.47 is: 147,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,146.86 : 266,545.91 = 107,109.47 : x
  2. Step 2: Convert to fraction form
    193,146.86/266,545.91 = 107,109.47/x
  3. Step 3: Cross multiply
    193,146.86x = 266,545.91 × 107,109.47
  4. Step 4: Simplify right side
    193,146.86x = 28,549,592,084.91
  5. Step 5: Solve for x
    x = 28,549,592,084.91/193,146.86
  6. Step 6: Final answer
    x = 147,812.87

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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.