Home / 110,769.68-152,837.46-65,416.70

Finding the Fourth Proportional to 110,769.68, 152,837.46 and 65,416.70

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Solution

The fourth proportional to 110,769.68, 152,837.46 and 65,416.70 is: 90,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,769.68 : 152,837.46 = 65,416.70 : x
  2. Step 2: Convert to fraction form
    110,769.68/152,837.46 = 65,416.70/x
  3. Step 3: Cross multiply
    110,769.68x = 152,837.46 × 65,416.70
  4. Step 4: Simplify right side
    110,769.68x = 9,998,121,505.39
  5. Step 5: Solve for x
    x = 9,998,121,505.39/110,769.68
  6. Step 6: Final answer
    x = 90,260.46

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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.