Home / 454,133.52-681,194.70-138,591.27

Finding the Fourth Proportional to 454,133.52, 681,194.70 and 138,591.27

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Solution

The fourth proportional to 454,133.52, 681,194.70 and 138,591.27 is: 207,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,133.52 : 681,194.70 = 138,591.27 : x
  2. Step 2: Convert to fraction form
    454,133.52/681,194.70 = 138,591.27/x
  3. Step 3: Cross multiply
    454,133.52x = 681,194.70 × 138,591.27
  4. Step 4: Simplify right side
    454,133.52x = 94,407,638,590.27
  5. Step 5: Solve for x
    x = 94,407,638,590.27/454,133.52
  6. Step 6: Final answer
    x = 207,885.20

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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.