Home / 186,227.50-279,396.33-107,398.30

Finding the Fourth Proportional to 186,227.50, 279,396.33 and 107,398.30

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Solution

The fourth proportional to 186,227.50, 279,396.33 and 107,398.30 is: 161,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,227.50 : 279,396.33 = 107,398.30 : x
  2. Step 2: Convert to fraction form
    186,227.50/279,396.33 = 107,398.30/x
  3. Step 3: Cross multiply
    186,227.50x = 279,396.33 × 107,398.30
  4. Step 4: Simplify right side
    186,227.50x = 30,006,690,868.24
  5. Step 5: Solve for x
    x = 30,006,690,868.24/186,227.50
  6. Step 6: Final answer
    x = 161,129.21

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1.5x scale

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.