Home / 156,535.20-234,388.08-82,507.68

Finding the Fourth Proportional to 156,535.20, 234,388.08 and 82,507.68

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Solution

The fourth proportional to 156,535.20, 234,388.08 and 82,507.68 is: 123,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,535.20 : 234,388.08 = 82,507.68 : x
  2. Step 2: Convert to fraction form
    156,535.20/234,388.08 = 82,507.68/x
  3. Step 3: Cross multiply
    156,535.20x = 234,388.08 × 82,507.68
  4. Step 4: Simplify right side
    156,535.20x = 19,338,816,700.45
  5. Step 5: Solve for x
    x = 19,338,816,700.45/156,535.20
  6. Step 6: Final answer
    x = 123,542.93

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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.