Home / 132,849.40-199,581.30-91,377.40

Finding the Fourth Proportional to 132,849.40, 199,581.30 and 91,377.40

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Solution

The fourth proportional to 132,849.40, 199,581.30 and 91,377.40 is: 137,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.40 : 199,581.30 = 91,377.40 : x
  2. Step 2: Convert to fraction form
    132,849.40/199,581.30 = 91,377.40/x
  3. Step 3: Cross multiply
    132,849.40x = 199,581.30 × 91,377.40
  4. Step 4: Simplify right side
    132,849.40x = 18,237,220,282.62
  5. Step 5: Solve for x
    x = 18,237,220,282.62/132,849.40
  6. Step 6: Final answer
    x = 137,277.40

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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.