Home / 193,158.47-266,557.84-108,275.54

Finding the Fourth Proportional to 193,158.47, 266,557.84 and 108,275.54

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Solution

The fourth proportional to 193,158.47, 266,557.84 and 108,275.54 is: 149,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,158.47 : 266,557.84 = 108,275.54 : x
  2. Step 2: Convert to fraction form
    193,158.47/266,557.84 = 108,275.54/x
  3. Step 3: Cross multiply
    193,158.47x = 266,557.84 × 108,275.54
  4. Step 4: Simplify right side
    193,158.47x = 28,861,692,463.76
  5. Step 5: Solve for x
    x = 28,861,692,463.76/193,158.47
  6. Step 6: Final answer
    x = 149,419.76

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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.