Home / 239,872.93-331,029.79-132,449.72

Finding the Fourth Proportional to 239,872.93, 331,029.79 and 132,449.72

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Solution

The fourth proportional to 239,872.93, 331,029.79 and 132,449.72 is: 182,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,872.93 : 331,029.79 = 132,449.72 : x
  2. Step 2: Convert to fraction form
    239,872.93/331,029.79 = 132,449.72/x
  3. Step 3: Cross multiply
    239,872.93x = 331,029.79 × 132,449.72
  4. Step 4: Simplify right side
    239,872.93x = 43,844,801,010.89
  5. Step 5: Solve for x
    x = 43,844,801,010.89/239,872.93
  6. Step 6: Final answer
    x = 182,783.45

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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.