Home / 155,227.20-232,646-66,376.24

Finding the Fourth Proportional to 155,227.20, 232,646 and 66,376.24

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Solution

The fourth proportional to 155,227.20, 232,646 and 66,376.24 is: 99,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,227.20 : 232,646 = 66,376.24 : x
  2. Step 2: Convert to fraction form
    155,227.20/232,646 = 66,376.24/x
  3. Step 3: Cross multiply
    155,227.20x = 232,646 × 66,376.24
  4. Step 4: Simplify right side
    155,227.20x = 15,442,166,731.04
  5. Step 5: Solve for x
    x = 15,442,166,731.04/155,227.20
  6. Step 6: Final answer
    x = 99,481.06

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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.