Home / 132,891.82-199,363.41-42,958.75

Finding the Fourth Proportional to 132,891.82, 199,363.41 and 42,958.75

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Solution

The fourth proportional to 132,891.82, 199,363.41 and 42,958.75 is: 64,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.82 : 199,363.41 = 42,958.75 : x
  2. Step 2: Convert to fraction form
    132,891.82/199,363.41 = 42,958.75/x
  3. Step 3: Cross multiply
    132,891.82x = 199,363.41 × 42,958.75
  4. Step 4: Simplify right side
    132,891.82x = 8,564,402,889.34
  5. Step 5: Solve for x
    x = 8,564,402,889.34/132,891.82
  6. Step 6: Final answer
    x = 64,446.43

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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.