Home / 146,786.13-220,179.19-35,978.13

Finding the Fourth Proportional to 146,786.13, 220,179.19 and 35,978.13

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Solution

The fourth proportional to 146,786.13, 220,179.19 and 35,978.13 is: 53,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,786.13 : 220,179.19 = 35,978.13 : x
  2. Step 2: Convert to fraction form
    146,786.13/220,179.19 = 35,978.13/x
  3. Step 3: Cross multiply
    146,786.13x = 220,179.19 × 35,978.13
  4. Step 4: Simplify right side
    146,786.13x = 7,921,635,521.11
  5. Step 5: Solve for x
    x = 7,921,635,521.11/146,786.13
  6. Step 6: Final answer
    x = 53,967.19

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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.