Home / 146,781.30-202,620.21-99,099.24

Finding the Fourth Proportional to 146,781.30, 202,620.21 and 99,099.24

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Solution

The fourth proportional to 146,781.30, 202,620.21 and 99,099.24 is: 136,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,781.30 : 202,620.21 = 99,099.24 : x
  2. Step 2: Convert to fraction form
    146,781.30/202,620.21 = 99,099.24/x
  3. Step 3: Cross multiply
    146,781.30x = 202,620.21 × 99,099.24
  4. Step 4: Simplify right side
    146,781.30x = 20,079,508,819.64
  5. Step 5: Solve for x
    x = 20,079,508,819.64/146,781.30
  6. Step 6: Final answer
    x = 136,798.82

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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.