Home / 177,610.60-266,448.30-72,440.20

Finding the Fourth Proportional to 177,610.60, 266,448.30 and 72,440.20

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Solution

The fourth proportional to 177,610.60, 266,448.30 and 72,440.20 is: 108,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,610.60 : 266,448.30 = 72,440.20 : x
  2. Step 2: Convert to fraction form
    177,610.60/266,448.30 = 72,440.20/x
  3. Step 3: Cross multiply
    177,610.60x = 266,448.30 × 72,440.20
  4. Step 4: Simplify right side
    177,610.60x = 19,301,568,141.66
  5. Step 5: Solve for x
    x = 19,301,568,141.66/177,610.60
  6. Step 6: Final answer
    x = 108,673.51

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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.