Home / 237,406.40-327,621.78-129,986.42

Finding the Fourth Proportional to 237,406.40, 327,621.78 and 129,986.42

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Solution

The fourth proportional to 237,406.40, 327,621.78 and 129,986.42 is: 179,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,406.40 : 327,621.78 = 129,986.42 : x
  2. Step 2: Convert to fraction form
    237,406.40/327,621.78 = 129,986.42/x
  3. Step 3: Cross multiply
    237,406.40x = 327,621.78 × 129,986.42
  4. Step 4: Simplify right side
    237,406.40x = 42,586,383,115.28
  5. Step 5: Solve for x
    x = 42,586,383,115.28/237,406.40
  6. Step 6: Final answer
    x = 179,381.79

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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.