Home / 193,231.52-266,655.36-108,346.72

Finding the Fourth Proportional to 193,231.52, 266,655.36 and 108,346.72

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Solution

The fourth proportional to 193,231.52, 266,655.36 and 108,346.72 is: 149,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,231.52 : 266,655.36 = 108,346.72 : x
  2. Step 2: Convert to fraction form
    193,231.52/266,655.36 = 108,346.72/x
  3. Step 3: Cross multiply
    193,231.52x = 266,655.36 × 108,346.72
  4. Step 4: Simplify right side
    193,231.52x = 28,891,233,626.42
  5. Step 5: Solve for x
    x = 28,891,233,626.42/193,231.52
  6. Step 6: Final answer
    x = 149,516.15

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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.