Home / 156,444.78-234,655.38-49,824.43

Finding the Fourth Proportional to 156,444.78, 234,655.38 and 49,824.43

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Solution

The fourth proportional to 156,444.78, 234,655.38 and 49,824.43 is: 74,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444.78 : 234,655.38 = 49,824.43 : x
  2. Step 2: Convert to fraction form
    156,444.78/234,655.38 = 49,824.43/x
  3. Step 3: Cross multiply
    156,444.78x = 234,655.38 × 49,824.43
  4. Step 4: Simplify right side
    156,444.78x = 11,691,570,554.93
  5. Step 5: Solve for x
    x = 11,691,570,554.93/156,444.78
  6. Step 6: Final answer
    x = 74,732.89

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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.