Home / 156,009.32-234,049.20-49,399.74

Finding the Fourth Proportional to 156,009.32, 234,049.20 and 49,399.74

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Solution

The fourth proportional to 156,009.32, 234,049.20 and 49,399.74 is: 74,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,009.32 : 234,049.20 = 49,399.74 : x
  2. Step 2: Convert to fraction form
    156,009.32/234,049.20 = 49,399.74/x
  3. Step 3: Cross multiply
    156,009.32x = 234,049.20 × 49,399.74
  4. Step 4: Simplify right side
    156,009.32x = 11,561,969,627.21
  5. Step 5: Solve for x
    x = 11,561,969,627.21/156,009.32
  6. Step 6: Final answer
    x = 74,110.76

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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.