Home / 156,086.92-234,195.16-99,990.28

Finding the Fourth Proportional to 156,086.92, 234,195.16 and 99,990.28

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Solution

The fourth proportional to 156,086.92, 234,195.16 and 99,990.28 is: 150,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,086.92 : 234,195.16 = 99,990.28 : x
  2. Step 2: Convert to fraction form
    156,086.92/234,195.16 = 99,990.28/x
  3. Step 3: Cross multiply
    156,086.92x = 234,195.16 × 99,990.28
  4. Step 4: Simplify right side
    156,086.92x = 23,417,239,623.04
  5. Step 5: Solve for x
    x = 23,417,239,623.04/156,086.92
  6. Step 6: Final answer
    x = 150,026.92

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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.