Home / 217,148.40-325,766.14-74,998.89

Finding the Fourth Proportional to 217,148.40, 325,766.14 and 74,998.89

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Solution

The fourth proportional to 217,148.40, 325,766.14 and 74,998.89 is: 112,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,148.40 : 325,766.14 = 74,998.89 : x
  2. Step 2: Convert to fraction form
    217,148.40/325,766.14 = 74,998.89/x
  3. Step 3: Cross multiply
    217,148.40x = 325,766.14 × 74,998.89
  4. Step 4: Simplify right side
    217,148.40x = 24,432,098,899.58
  5. Step 5: Solve for x
    x = 24,432,098,899.58/217,148.40
  6. Step 6: Final answer
    x = 112,513.37

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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.