Home / 141,613.92-195,419.70-77,939.46

Finding the Fourth Proportional to 141,613.92, 195,419.70 and 77,939.46

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Solution

The fourth proportional to 141,613.92, 195,419.70 and 77,939.46 is: 107,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,613.92 : 195,419.70 = 77,939.46 : x
  2. Step 2: Convert to fraction form
    141,613.92/195,419.70 = 77,939.46/x
  3. Step 3: Cross multiply
    141,613.92x = 195,419.70 × 77,939.46
  4. Step 4: Simplify right side
    141,613.92x = 15,230,905,891.36
  5. Step 5: Solve for x
    x = 15,230,905,891.36/141,613.92
  6. Step 6: Final answer
    x = 107,552.32

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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.