Home / 113,382.10-156,414.94-73,108.80

Finding the Fourth Proportional to 113,382.10, 156,414.94 and 73,108.80

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Solution

The fourth proportional to 113,382.10, 156,414.94 and 73,108.80 is: 100,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,382.10 : 156,414.94 = 73,108.80 : x
  2. Step 2: Convert to fraction form
    113,382.10/156,414.94 = 73,108.80/x
  3. Step 3: Cross multiply
    113,382.10x = 156,414.94 × 73,108.80
  4. Step 4: Simplify right side
    113,382.10x = 11,435,307,783.40
  5. Step 5: Solve for x
    x = 11,435,307,783.40/113,382.10
  6. Step 6: Final answer
    x = 100,856.38

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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.