Home / 224,445.55-309,742.33-122,476.61

Finding the Fourth Proportional to 224,445.55, 309,742.33 and 122,476.61

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Solution

The fourth proportional to 224,445.55, 309,742.33 and 122,476.61 is: 169,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,445.55 : 309,742.33 = 122,476.61 : x
  2. Step 2: Convert to fraction form
    224,445.55/309,742.33 = 122,476.61/x
  3. Step 3: Cross multiply
    224,445.55x = 309,742.33 × 122,476.61
  4. Step 4: Simplify right side
    224,445.55x = 37,936,189,507.41
  5. Step 5: Solve for x
    x = 37,936,189,507.41/224,445.55
  6. Step 6: Final answer
    x = 169,021.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.