Home / 113,512.44-156,700.24-65,756.46

Finding the Fourth Proportional to 113,512.44, 156,700.24 and 65,756.46

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Solution

The fourth proportional to 113,512.44, 156,700.24 and 65,756.46 is: 90,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,512.44 : 156,700.24 = 65,756.46 : x
  2. Step 2: Convert to fraction form
    113,512.44/156,700.24 = 65,756.46/x
  3. Step 3: Cross multiply
    113,512.44x = 156,700.24 × 65,756.46
  4. Step 4: Simplify right side
    113,512.44x = 10,304,053,063.55
  5. Step 5: Solve for x
    x = 10,304,053,063.55/113,512.44
  6. Step 6: Final answer
    x = 90,774.66

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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.