Home / 146,883.46-202,702.17-79,819.78

Finding the Fourth Proportional to 146,883.46, 202,702.17 and 79,819.78

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Solution

The fourth proportional to 146,883.46, 202,702.17 and 79,819.78 is: 110,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,883.46 : 202,702.17 = 79,819.78 : x
  2. Step 2: Convert to fraction form
    146,883.46/202,702.17 = 79,819.78/x
  3. Step 3: Cross multiply
    146,883.46x = 202,702.17 × 79,819.78
  4. Step 4: Simplify right side
    146,883.46x = 16,179,642,614.92
  5. Step 5: Solve for x
    x = 16,179,642,614.92/146,883.46
  6. Step 6: Final answer
    x = 110,152.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.