Home / 193,872.42-267,550.14-117,405.78

Finding the Fourth Proportional to 193,872.42, 267,550.14 and 117,405.78

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Solution

The fourth proportional to 193,872.42, 267,550.14 and 117,405.78 is: 162,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,872.42 : 267,550.14 = 117,405.78 : x
  2. Step 2: Convert to fraction form
    193,872.42/267,550.14 = 117,405.78/x
  3. Step 3: Cross multiply
    193,872.42x = 267,550.14 × 117,405.78
  4. Step 4: Simplify right side
    193,872.42x = 31,411,932,875.81
  5. Step 5: Solve for x
    x = 31,411,932,875.81/193,872.42
  6. Step 6: Final answer
    x = 162,023.73

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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.