Home / 141,514.20-195,282.54-77,850.36

Finding the Fourth Proportional to 141,514.20, 195,282.54 and 77,850.36

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Solution

The fourth proportional to 141,514.20, 195,282.54 and 77,850.36 is: 107,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,514.20 : 195,282.54 = 77,850.36 : x
  2. Step 2: Convert to fraction form
    141,514.20/195,282.54 = 77,850.36/x
  3. Step 3: Cross multiply
    141,514.20x = 195,282.54 × 77,850.36
  4. Step 4: Simplify right side
    141,514.20x = 15,202,816,040.71
  5. Step 5: Solve for x
    x = 15,202,816,040.71/141,514.20
  6. Step 6: Final answer
    x = 107,429.62

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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.