Home / 156,195.08-234,104.83-71,839.00

Finding the Fourth Proportional to 156,195.08, 234,104.83 and 71,839.00

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Solution

The fourth proportional to 156,195.08, 234,104.83 and 71,839.00 is: 107,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,195.08 : 234,104.83 = 71,839.00 : x
  2. Step 2: Convert to fraction form
    156,195.08/234,104.83 = 71,839.00/x
  3. Step 3: Cross multiply
    156,195.08x = 234,104.83 × 71,839.00
  4. Step 4: Simplify right side
    156,195.08x = 16,817,857,399.50
  5. Step 5: Solve for x
    x = 16,817,857,399.50/156,195.08
  6. Step 6: Final answer
    x = 107,672.13

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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.