Home / 153,439.20-229,873.68-83,377.44

Finding the Fourth Proportional to 153,439.20, 229,873.68 and 83,377.44

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Solution

The fourth proportional to 153,439.20, 229,873.68 and 83,377.44 is: 124,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,439.20 : 229,873.68 = 83,377.44 : x
  2. Step 2: Convert to fraction form
    153,439.20/229,873.68 = 83,377.44/x
  3. Step 3: Cross multiply
    153,439.20x = 229,873.68 × 83,377.44
  4. Step 4: Simplify right side
    153,439.20x = 19,166,278,961.78
  5. Step 5: Solve for x
    x = 19,166,278,961.78/153,439.20
  6. Step 6: Final answer
    x = 124,911.23

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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.