Home / 239,177.40-330,060.78-131,757.48

Finding the Fourth Proportional to 239,177.40, 330,060.78 and 131,757.48

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Solution

The fourth proportional to 239,177.40, 330,060.78 and 131,757.48 is: 181,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,177.40 : 330,060.78 = 131,757.48 : x
  2. Step 2: Convert to fraction form
    239,177.40/330,060.78 = 131,757.48/x
  3. Step 3: Cross multiply
    239,177.40x = 330,060.78 × 131,757.48
  4. Step 4: Simplify right side
    239,177.40x = 43,487,976,619.63
  5. Step 5: Solve for x
    x = 43,487,976,619.63/239,177.40
  6. Step 6: Final answer
    x = 181,823.10

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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.