Home / 215,726.48-323,690.04-82,562.84

Finding the Fourth Proportional to 215,726.48, 323,690.04 and 82,562.84

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Solution

The fourth proportional to 215,726.48, 323,690.04 and 82,562.84 is: 123,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,726.48 : 323,690.04 = 82,562.84 : x
  2. Step 2: Convert to fraction form
    215,726.48/323,690.04 = 82,562.84/x
  3. Step 3: Cross multiply
    215,726.48x = 323,690.04 × 82,562.84
  4. Step 4: Simplify right side
    215,726.48x = 26,724,768,982.11
  5. Step 5: Solve for x
    x = 26,724,768,982.11/215,726.48
  6. Step 6: Final answer
    x = 123,882.65

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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.