Home / 156,382.62-234,405.97-66,349.33

Finding the Fourth Proportional to 156,382.62, 234,405.97 and 66,349.33

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Solution

The fourth proportional to 156,382.62, 234,405.97 and 66,349.33 is: 99,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,382.62 : 234,405.97 = 66,349.33 : x
  2. Step 2: Convert to fraction form
    156,382.62/234,405.97 = 66,349.33/x
  3. Step 3: Cross multiply
    156,382.62x = 234,405.97 × 66,349.33
  4. Step 4: Simplify right side
    156,382.62x = 15,552,678,305.61
  5. Step 5: Solve for x
    x = 15,552,678,305.61/156,382.62
  6. Step 6: Final answer
    x = 99,452.73

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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.