Home / 178,338.69-267,542.91-66,019.83

Finding the Fourth Proportional to 178,338.69, 267,542.91 and 66,019.83

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Solution

The fourth proportional to 178,338.69, 267,542.91 and 66,019.83 is: 99,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,338.69 : 267,542.91 = 66,019.83 : x
  2. Step 2: Convert to fraction form
    178,338.69/267,542.91 = 66,019.83/x
  3. Step 3: Cross multiply
    178,338.69x = 267,542.91 × 66,019.83
  4. Step 4: Simplify right side
    178,338.69x = 17,663,137,435.91
  5. Step 5: Solve for x
    x = 17,663,137,435.91/178,338.69
  6. Step 6: Final answer
    x = 99,042.66

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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.