Home / 177,791.10-266,686.65-111,306.30

Finding the Fourth Proportional to 177,791.10, 266,686.65 and 111,306.30

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Solution

The fourth proportional to 177,791.10, 266,686.65 and 111,306.30 is: 166,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,791.10 : 266,686.65 = 111,306.30 : x
  2. Step 2: Convert to fraction form
    177,791.10/266,686.65 = 111,306.30/x
  3. Step 3: Cross multiply
    177,791.10x = 266,686.65 × 111,306.30
  4. Step 4: Simplify right side
    177,791.10x = 29,683,904,270.90
  5. Step 5: Solve for x
    x = 29,683,904,270.90/177,791.10
  6. Step 6: Final answer
    x = 166,959.45

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1.5x scale

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.