Home / 146,739.80-220,182.60-57,996.20

Finding the Fourth Proportional to 146,739.80, 220,182.60 and 57,996.20

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Solution

The fourth proportional to 146,739.80, 220,182.60 and 57,996.20 is: 87,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.80 : 220,182.60 = 57,996.20 : x
  2. Step 2: Convert to fraction form
    146,739.80/220,182.60 = 57,996.20/x
  3. Step 3: Cross multiply
    146,739.80x = 220,182.60 × 57,996.20
  4. Step 4: Simplify right side
    146,739.80x = 12,769,754,106.12
  5. Step 5: Solve for x
    x = 12,769,754,106.12/146,739.80
  6. Step 6: Final answer
    x = 87,023.11

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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.