Home / 119,660.80-179,456.62-40,773.28

Finding the Fourth Proportional to 119,660.80, 179,456.62 and 40,773.28

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Solution

The fourth proportional to 119,660.80, 179,456.62 and 40,773.28 is: 61,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.80 : 179,456.62 = 40,773.28 : x
  2. Step 2: Convert to fraction form
    119,660.80/179,456.62 = 40,773.28/x
  3. Step 3: Cross multiply
    119,660.80x = 179,456.62 × 40,773.28
  4. Step 4: Simplify right side
    119,660.80x = 7,317,035,015.11
  5. Step 5: Solve for x
    x = 7,317,035,015.11/119,660.80
  6. Step 6: Final answer
    x = 61,148.14

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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.