Home / 177,921.60-266,882.40-170,242.80

Finding the Fourth Proportional to 177,921.60, 266,882.40 and 170,242.80

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Solution

The fourth proportional to 177,921.60, 266,882.40 and 170,242.80 is: 255,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,921.60 : 266,882.40 = 170,242.80 : x
  2. Step 2: Convert to fraction form
    177,921.60/266,882.40 = 170,242.80/x
  3. Step 3: Cross multiply
    177,921.60x = 266,882.40 × 170,242.80
  4. Step 4: Simplify right side
    177,921.60x = 45,434,807,046.72
  5. Step 5: Solve for x
    x = 45,434,807,046.72/177,921.60
  6. Step 6: Final answer
    x = 255,364.20

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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.