Home / 156,966.20-235,449.30-83,238.20

Finding the Fourth Proportional to 156,966.20, 235,449.30 and 83,238.20

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Solution

The fourth proportional to 156,966.20, 235,449.30 and 83,238.20 is: 124,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.20 : 235,449.30 = 83,238.20 : x
  2. Step 2: Convert to fraction form
    156,966.20/235,449.30 = 83,238.20/x
  3. Step 3: Cross multiply
    156,966.20x = 235,449.30 × 83,238.20
  4. Step 4: Simplify right side
    156,966.20x = 19,598,375,923.26
  5. Step 5: Solve for x
    x = 19,598,375,923.26/156,966.20
  6. Step 6: Final answer
    x = 124,857.30

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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.