Home / 132,290.84-198,449.37-42,310.94

Finding the Fourth Proportional to 132,290.84, 198,449.37 and 42,310.94

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Solution

The fourth proportional to 132,290.84, 198,449.37 and 42,310.94 is: 63,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.84 : 198,449.37 = 42,310.94 : x
  2. Step 2: Convert to fraction form
    132,290.84/198,449.37 = 42,310.94/x
  3. Step 3: Cross multiply
    132,290.84x = 198,449.37 × 42,310.94
  4. Step 4: Simplify right side
    132,290.84x = 8,396,579,883.23
  5. Step 5: Solve for x
    x = 8,396,579,883.23/132,290.84
  6. Step 6: Final answer
    x = 63,470.61

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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.