Home / 193,034.62-266,390.40-108,149.86

Finding the Fourth Proportional to 193,034.62, 266,390.40 and 108,149.86

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Solution

The fourth proportional to 193,034.62, 266,390.40 and 108,149.86 is: 149,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,034.62 : 266,390.40 = 108,149.86 : x
  2. Step 2: Convert to fraction form
    193,034.62/266,390.40 = 108,149.86/x
  3. Step 3: Cross multiply
    193,034.62x = 266,390.40 × 108,149.86
  4. Step 4: Simplify right side
    193,034.62x = 28,810,084,465.34
  5. Step 5: Solve for x
    x = 28,810,084,465.34/193,034.62
  6. Step 6: Final answer
    x = 149,248.28

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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.