Home / 113,381.97-156,414.77-73,108.67

Finding the Fourth Proportional to 113,381.97, 156,414.77 and 73,108.67

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Solution

The fourth proportional to 113,381.97, 156,414.77 and 73,108.67 is: 100,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,381.97 : 156,414.77 = 73,108.67 : x
  2. Step 2: Convert to fraction form
    113,381.97/156,414.77 = 73,108.67/x
  3. Step 3: Cross multiply
    113,381.97x = 156,414.77 × 73,108.67
  4. Step 4: Simplify right side
    113,381.97x = 11,435,274,655.44
  5. Step 5: Solve for x
    x = 11,435,274,655.44/113,381.97
  6. Step 6: Final answer
    x = 100,856.20

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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.