Home / 218,616.48-327,924.78-168,769.35

Finding the Fourth Proportional to 218,616.48, 327,924.78 and 168,769.35

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Solution

The fourth proportional to 218,616.48, 327,924.78 and 168,769.35 is: 253,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,616.48 : 327,924.78 = 168,769.35 : x
  2. Step 2: Convert to fraction form
    218,616.48/327,924.78 = 168,769.35/x
  3. Step 3: Cross multiply
    218,616.48x = 327,924.78 × 168,769.35
  4. Step 4: Simplify right side
    218,616.48x = 55,343,651,969.49
  5. Step 5: Solve for x
    x = 55,343,651,969.49/218,616.48
  6. Step 6: Final answer
    x = 253,154.07

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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.