Home / 215,470.04-323,205.05-67,726.04

Finding the Fourth Proportional to 215,470.04, 323,205.05 and 67,726.04

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Solution

The fourth proportional to 215,470.04, 323,205.05 and 67,726.04 is: 101,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,470.04 : 323,205.05 = 67,726.04 : x
  2. Step 2: Convert to fraction form
    215,470.04/323,205.05 = 67,726.04/x
  3. Step 3: Cross multiply
    215,470.04x = 323,205.05 × 67,726.04
  4. Step 4: Simplify right side
    215,470.04x = 21,889,396,189.85
  5. Step 5: Solve for x
    x = 21,889,396,189.85/215,470.04
  6. Step 6: Final answer
    x = 101,589.05

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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.