Home / 156,500.82-234,350.55-86,302.26

Finding the Fourth Proportional to 156,500.82, 234,350.55 and 86,302.26

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Solution

The fourth proportional to 156,500.82, 234,350.55 and 86,302.26 is: 129,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,500.82 : 234,350.55 = 86,302.26 : x
  2. Step 2: Convert to fraction form
    156,500.82/234,350.55 = 86,302.26/x
  3. Step 3: Cross multiply
    156,500.82x = 234,350.55 × 86,302.26
  4. Step 4: Simplify right side
    156,500.82x = 20,224,982,097.24
  5. Step 5: Solve for x
    x = 20,224,982,097.24/156,500.82
  6. Step 6: Final answer
    x = 129,232.44

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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.