Home / 217,920.92-327,373.47-129,232.60

Finding the Fourth Proportional to 217,920.92, 327,373.47 and 129,232.60

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Solution

The fourth proportional to 217,920.92, 327,373.47 and 129,232.60 is: 194,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,920.92 : 327,373.47 = 129,232.60 : x
  2. Step 2: Convert to fraction form
    217,920.92/327,373.47 = 129,232.60/x
  3. Step 3: Cross multiply
    217,920.92x = 327,373.47 × 129,232.60
  4. Step 4: Simplify right side
    217,920.92x = 42,307,325,625.26
  5. Step 5: Solve for x
    x = 42,307,325,625.26/217,920.92
  6. Step 6: Final answer
    x = 194,140.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.