Home / 217,224.10-325,836.15-146,721.70

Finding the Fourth Proportional to 217,224.10, 325,836.15 and 146,721.70

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Solution

The fourth proportional to 217,224.10, 325,836.15 and 146,721.70 is: 220,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,224.10 : 325,836.15 = 146,721.70 : x
  2. Step 2: Convert to fraction form
    217,224.10/325,836.15 = 146,721.70/x
  3. Step 3: Cross multiply
    217,224.10x = 325,836.15 × 146,721.70
  4. Step 4: Simplify right side
    217,224.10x = 47,807,233,849.46
  5. Step 5: Solve for x
    x = 47,807,233,849.46/217,224.10
  6. Step 6: Final answer
    x = 220,082.55

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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.