Home / 281,549.10-422,385.99-155,124.24

Finding the Fourth Proportional to 281,549.10, 422,385.99 and 155,124.24

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Solution

The fourth proportional to 281,549.10, 422,385.99 and 155,124.24 is: 232,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,549.10 : 422,385.99 = 155,124.24 : x
  2. Step 2: Convert to fraction form
    281,549.10/422,385.99 = 155,124.24/x
  3. Step 3: Cross multiply
    281,549.10x = 422,385.99 × 155,124.24
  4. Step 4: Simplify right side
    281,549.10x = 65,522,305,685.40
  5. Step 5: Solve for x
    x = 65,522,305,685.40/281,549.10
  6. Step 6: Final answer
    x = 232,720.71

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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.