Home / 217,214.10-325,821.15-146,711.70

Finding the Fourth Proportional to 217,214.10, 325,821.15 and 146,711.70

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Solution

The fourth proportional to 217,214.10, 325,821.15 and 146,711.70 is: 220,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,214.10 : 325,821.15 = 146,711.70 : x
  2. Step 2: Convert to fraction form
    217,214.10/325,821.15 = 146,711.70/x
  3. Step 3: Cross multiply
    217,214.10x = 325,821.15 × 146,711.70
  4. Step 4: Simplify right side
    217,214.10x = 47,801,774,812.46
  5. Step 5: Solve for x
    x = 47,801,774,812.46/217,214.10
  6. Step 6: Final answer
    x = 220,067.55

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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.