Home / 591,391.42-887,087.03-142,112.28

Finding the Fourth Proportional to 591,391.42, 887,087.03 and 142,112.28

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Solution

The fourth proportional to 591,391.42, 887,087.03 and 142,112.28 is: 213,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,391.42 : 887,087.03 = 142,112.28 : x
  2. Step 2: Convert to fraction form
    591,391.42/887,087.03 = 142,112.28/x
  3. Step 3: Cross multiply
    591,391.42x = 887,087.03 × 142,112.28
  4. Step 4: Simplify right side
    591,391.42x = 126,065,963,540.66
  5. Step 5: Solve for x
    x = 126,065,963,540.66/591,391.42
  6. Step 6: Final answer
    x = 213,168.40

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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.