Home / 156,007.44-215,278.02-88,040.95

Finding the Fourth Proportional to 156,007.44, 215,278.02 and 88,040.95

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Solution

The fourth proportional to 156,007.44, 215,278.02 and 88,040.95 is: 121,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,007.44 : 215,278.02 = 88,040.95 : x
  2. Step 2: Convert to fraction form
    156,007.44/215,278.02 = 88,040.95/x
  3. Step 3: Cross multiply
    156,007.44x = 215,278.02 × 88,040.95
  4. Step 4: Simplify right side
    156,007.44x = 18,953,280,856.72
  5. Step 5: Solve for x
    x = 18,953,280,856.72/156,007.44
  6. Step 6: Final answer
    x = 121,489.60

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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.