Home / 132,921.88-199,402.77-42,934.54

Finding the Fourth Proportional to 132,921.88, 199,402.77 and 42,934.54

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Solution

The fourth proportional to 132,921.88, 199,402.77 and 42,934.54 is: 64,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.88 : 199,402.77 = 42,934.54 : x
  2. Step 2: Convert to fraction form
    132,921.88/199,402.77 = 42,934.54/x
  3. Step 3: Cross multiply
    132,921.88x = 199,402.77 × 42,934.54
  4. Step 4: Simplify right side
    132,921.88x = 8,561,266,204.68
  5. Step 5: Solve for x
    x = 8,561,266,204.68/132,921.88
  6. Step 6: Final answer
    x = 64,408.25

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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.