Home / 177,998.20-266,997.30-166,247.80

Finding the Fourth Proportional to 177,998.20, 266,997.30 and 166,247.80

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Solution

The fourth proportional to 177,998.20, 266,997.30 and 166,247.80 is: 249,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,998.20 : 266,997.30 = 166,247.80 : x
  2. Step 2: Convert to fraction form
    177,998.20/266,997.30 = 166,247.80/x
  3. Step 3: Cross multiply
    177,998.20x = 266,997.30 × 166,247.80
  4. Step 4: Simplify right side
    177,998.20x = 44,387,713,730.94
  5. Step 5: Solve for x
    x = 44,387,713,730.94/177,998.20
  6. Step 6: Final answer
    x = 249,371.70

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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.