Home / 236,856.38-355,291.04-79,079.18

Finding the Fourth Proportional to 236,856.38, 355,291.04 and 79,079.18

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Solution

The fourth proportional to 236,856.38, 355,291.04 and 79,079.18 is: 118,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,856.38 : 355,291.04 = 79,079.18 : x
  2. Step 2: Convert to fraction form
    236,856.38/355,291.04 = 79,079.18/x
  3. Step 3: Cross multiply
    236,856.38x = 355,291.04 × 79,079.18
  4. Step 4: Simplify right side
    236,856.38x = 28,096,121,932.70
  5. Step 5: Solve for x
    x = 28,096,121,932.70/236,856.38
  6. Step 6: Final answer
    x = 118,620.92

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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.