Home / 178,348.78-267,558.12-66,029.86

Finding the Fourth Proportional to 178,348.78, 267,558.12 and 66,029.86

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Solution

The fourth proportional to 178,348.78, 267,558.12 and 66,029.86 is: 99,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,348.78 : 267,558.12 = 66,029.86 : x
  2. Step 2: Convert to fraction form
    178,348.78/267,558.12 = 66,029.86/x
  3. Step 3: Cross multiply
    178,348.78x = 267,558.12 × 66,029.86
  4. Step 4: Simplify right side
    178,348.78x = 17,666,825,205.46
  5. Step 5: Solve for x
    x = 17,666,825,205.46/178,348.78
  6. Step 6: Final answer
    x = 99,057.73

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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.