Home / 175,480.11-242,192.33-99,020.88

Finding the Fourth Proportional to 175,480.11, 242,192.33 and 99,020.88

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Solution

The fourth proportional to 175,480.11, 242,192.33 and 99,020.88 is: 136,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,480.11 : 242,192.33 = 99,020.88 : x
  2. Step 2: Convert to fraction form
    175,480.11/242,192.33 = 99,020.88/x
  3. Step 3: Cross multiply
    175,480.11x = 242,192.33 × 99,020.88
  4. Step 4: Simplify right side
    175,480.11x = 23,982,097,150.75
  5. Step 5: Solve for x
    x = 23,982,097,150.75/175,480.11
  6. Step 6: Final answer
    x = 136,665.61

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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.