Home / 454,134.48-681,196.24-138,592.28

Finding the Fourth Proportional to 454,134.48, 681,196.24 and 138,592.28

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Solution

The fourth proportional to 454,134.48, 681,196.24 and 138,592.28 is: 207,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,134.48 : 681,196.24 = 138,592.28 : x
  2. Step 2: Convert to fraction form
    454,134.48/681,196.24 = 138,592.28/x
  3. Step 3: Cross multiply
    454,134.48x = 681,196.24 × 138,592.28
  4. Step 4: Simplify right side
    454,134.48x = 94,408,540,029.03
  5. Step 5: Solve for x
    x = 94,408,540,029.03/454,134.48
  6. Step 6: Final answer
    x = 207,886.75

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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.