Home / 177,660.06-245,092.12-105,998.41

Finding the Fourth Proportional to 177,660.06, 245,092.12 and 105,998.41

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Solution

The fourth proportional to 177,660.06, 245,092.12 and 105,998.41 is: 146,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,660.06 : 245,092.12 = 105,998.41 : x
  2. Step 2: Convert to fraction form
    177,660.06/245,092.12 = 105,998.41/x
  3. Step 3: Cross multiply
    177,660.06x = 245,092.12 × 105,998.41
  4. Step 4: Simplify right side
    177,660.06x = 25,979,375,023.53
  5. Step 5: Solve for x
    x = 25,979,375,023.53/177,660.06
  6. Step 6: Final answer
    x = 146,230.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.