Home / 172,250.16-258,375.36-47,591.28

Finding the Fourth Proportional to 172,250.16, 258,375.36 and 47,591.28

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Solution

The fourth proportional to 172,250.16, 258,375.36 and 47,591.28 is: 71,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,250.16 : 258,375.36 = 47,591.28 : x
  2. Step 2: Convert to fraction form
    172,250.16/258,375.36 = 47,591.28/x
  3. Step 3: Cross multiply
    172,250.16x = 258,375.36 × 47,591.28
  4. Step 4: Simplify right side
    172,250.16x = 12,296,414,102.86
  5. Step 5: Solve for x
    x = 12,296,414,102.86/172,250.16
  6. Step 6: Final answer
    x = 71,386.95

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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.