Home / 218,443.28-327,711.69-123,718.23

Finding the Fourth Proportional to 218,443.28, 327,711.69 and 123,718.23

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Solution

The fourth proportional to 218,443.28, 327,711.69 and 123,718.23 is: 185,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,443.28 : 327,711.69 = 123,718.23 : x
  2. Step 2: Convert to fraction form
    218,443.28/327,711.69 = 123,718.23/x
  3. Step 3: Cross multiply
    218,443.28x = 327,711.69 × 123,718.23
  4. Step 4: Simplify right side
    218,443.28x = 40,543,910,237.11
  5. Step 5: Solve for x
    x = 40,543,910,237.11/218,443.28
  6. Step 6: Final answer
    x = 185,603.84

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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.