Home / 113,524.60-156,657.06-65,769.70

Finding the Fourth Proportional to 113,524.60, 156,657.06 and 65,769.70

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Solution

The fourth proportional to 113,524.60, 156,657.06 and 65,769.70 is: 90,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,524.60 : 156,657.06 = 65,769.70 : x
  2. Step 2: Convert to fraction form
    113,524.60/156,657.06 = 65,769.70/x
  3. Step 3: Cross multiply
    113,524.60x = 156,657.06 × 65,769.70
  4. Step 4: Simplify right side
    113,524.60x = 10,303,287,839.08
  5. Step 5: Solve for x
    x = 10,303,287,839.08/113,524.60
  6. Step 6: Final answer
    x = 90,758.20

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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.