Home / 177,986.30-266,979.45-111,631.10

Finding the Fourth Proportional to 177,986.30, 266,979.45 and 111,631.10

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Solution

The fourth proportional to 177,986.30, 266,979.45 and 111,631.10 is: 167,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,986.30 : 266,979.45 = 111,631.10 : x
  2. Step 2: Convert to fraction form
    177,986.30/266,979.45 = 111,631.10/x
  3. Step 3: Cross multiply
    177,986.30x = 266,979.45 × 111,631.10
  4. Step 4: Simplify right side
    177,986.30x = 29,803,209,680.90
  5. Step 5: Solve for x
    x = 29,803,209,680.90/177,986.30
  6. Step 6: Final answer
    x = 167,446.65

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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.