Home / 113,382.06-156,414.90-73,108.76

Finding the Fourth Proportional to 113,382.06, 156,414.90 and 73,108.76

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Solution

The fourth proportional to 113,382.06, 156,414.90 and 73,108.76 is: 100,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,382.06 : 156,414.90 = 73,108.76 : x
  2. Step 2: Convert to fraction form
    113,382.06/156,414.90 = 73,108.76/x
  3. Step 3: Cross multiply
    113,382.06x = 156,414.90 × 73,108.76
  4. Step 4: Simplify right side
    113,382.06x = 11,435,299,345.20
  5. Step 5: Solve for x
    x = 11,435,299,345.20/113,382.06
  6. Step 6: Final answer
    x = 100,856.34

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1.5x scale

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.