Home / 591,391.26-887,086.79-142,112.13

Finding the Fourth Proportional to 591,391.26, 887,086.79 and 142,112.13

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Solution

The fourth proportional to 591,391.26, 887,086.79 and 142,112.13 is: 213,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,391.26 : 887,086.79 = 142,112.13 : x
  2. Step 2: Convert to fraction form
    591,391.26/887,086.79 = 142,112.13/x
  3. Step 3: Cross multiply
    591,391.26x = 887,086.79 × 142,112.13
  4. Step 4: Simplify right side
    591,391.26x = 126,065,793,577.04
  5. Step 5: Solve for x
    x = 126,065,793,577.04/591,391.26
  6. Step 6: Final answer
    x = 213,168.17

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.