Home / 113,546.85-156,687.15-68,197.88

Finding the Fourth Proportional to 113,546.85, 156,687.15 and 68,197.88

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Solution

The fourth proportional to 113,546.85, 156,687.15 and 68,197.88 is: 94,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,546.85 : 156,687.15 = 68,197.88 : x
  2. Step 2: Convert to fraction form
    113,546.85/156,687.15 = 68,197.88/x
  3. Step 3: Cross multiply
    113,546.85x = 156,687.15 × 68,197.88
  4. Step 4: Simplify right side
    113,546.85x = 10,685,731,112.25
  5. Step 5: Solve for x
    x = 10,685,731,112.25/113,546.85
  6. Step 6: Final answer
    x = 94,108.57

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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.