Home / 178,403.10-267,604.65-158,703.90

Finding the Fourth Proportional to 178,403.10, 267,604.65 and 158,703.90

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Solution

The fourth proportional to 178,403.10, 267,604.65 and 158,703.90 is: 238,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,403.10 : 267,604.65 = 158,703.90 : x
  2. Step 2: Convert to fraction form
    178,403.10/267,604.65 = 158,703.90/x
  3. Step 3: Cross multiply
    178,403.10x = 267,604.65 × 158,703.90
  4. Step 4: Simplify right side
    178,403.10x = 42,469,901,613.14
  5. Step 5: Solve for x
    x = 42,469,901,613.14/178,403.10
  6. Step 6: Final answer
    x = 238,055.85

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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.