Home / 218,769.22-328,153.83-125,209.36

Finding the Fourth Proportional to 218,769.22, 328,153.83 and 125,209.36

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Solution

The fourth proportional to 218,769.22, 328,153.83 and 125,209.36 is: 187,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,769.22 : 328,153.83 = 125,209.36 : x
  2. Step 2: Convert to fraction form
    218,769.22/328,153.83 = 125,209.36/x
  3. Step 3: Cross multiply
    218,769.22x = 328,153.83 × 125,209.36
  4. Step 4: Simplify right side
    218,769.22x = 41,087,931,035.85
  5. Step 5: Solve for x
    x = 41,087,931,035.85/218,769.22
  6. Step 6: Final answer
    x = 187,814.04

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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.