Home / 178,377.78-267,385.34-111,864.36

Finding the Fourth Proportional to 178,377.78, 267,385.34 and 111,864.36

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Solution

The fourth proportional to 178,377.78, 267,385.34 and 111,864.36 is: 167,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,377.78 : 267,385.34 = 111,864.36 : x
  2. Step 2: Convert to fraction form
    178,377.78/267,385.34 = 111,864.36/x
  3. Step 3: Cross multiply
    178,377.78x = 267,385.34 × 111,864.36
  4. Step 4: Simplify right side
    178,377.78x = 29,910,889,932.48
  5. Step 5: Solve for x
    x = 29,910,889,932.48/178,377.78
  6. Step 6: Final answer
    x = 167,682.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.