Home / 194,409.90-268,301.61-109,532.70

Finding the Fourth Proportional to 194,409.90, 268,301.61 and 109,532.70

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Solution

The fourth proportional to 194,409.90, 268,301.61 and 109,532.70 is: 151,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,409.90 : 268,301.61 = 109,532.70 : x
  2. Step 2: Convert to fraction form
    194,409.90/268,301.61 = 109,532.70/x
  3. Step 3: Cross multiply
    194,409.90x = 268,301.61 × 109,532.70
  4. Step 4: Simplify right side
    194,409.90x = 29,387,799,757.65
  5. Step 5: Solve for x
    x = 29,387,799,757.65/194,409.90
  6. Step 6: Final answer
    x = 151,164.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.