Home / 239,948.28-331,131.12-132,521.04

Finding the Fourth Proportional to 239,948.28, 331,131.12 and 132,521.04

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Solution

The fourth proportional to 239,948.28, 331,131.12 and 132,521.04 is: 182,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,948.28 : 331,131.12 = 132,521.04 : x
  2. Step 2: Convert to fraction form
    239,948.28/331,131.12 = 132,521.04/x
  3. Step 3: Cross multiply
    239,948.28x = 331,131.12 × 132,521.04
  4. Step 4: Simplify right side
    239,948.28x = 43,881,840,398.76
  5. Step 5: Solve for x
    x = 43,881,840,398.76/239,948.28
  6. Step 6: Final answer
    x = 182,880.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.