Home / 239,942.28-331,122.84-132,515.04

Finding the Fourth Proportional to 239,942.28, 331,122.84 and 132,515.04

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Solution

The fourth proportional to 239,942.28, 331,122.84 and 132,515.04 is: 182,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,942.28 : 331,122.84 = 132,515.04 : x
  2. Step 2: Convert to fraction form
    239,942.28/331,122.84 = 132,515.04/x
  3. Step 3: Cross multiply
    239,942.28x = 331,122.84 × 132,515.04
  4. Step 4: Simplify right side
    239,942.28x = 43,878,756,387.51
  5. Step 5: Solve for x
    x = 43,878,756,387.51/239,942.28
  6. Step 6: Final answer
    x = 182,872.13

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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.