Home / 119,202.28-178,799.34-55,987.03

Finding the Fourth Proportional to 119,202.28, 178,799.34 and 55,987.03

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Solution

The fourth proportional to 119,202.28, 178,799.34 and 55,987.03 is: 83,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,202.28 : 178,799.34 = 55,987.03 : x
  2. Step 2: Convert to fraction form
    119,202.28/178,799.34 = 55,987.03/x
  3. Step 3: Cross multiply
    119,202.28x = 178,799.34 × 55,987.03
  4. Step 4: Simplify right side
    119,202.28x = 10,010,444,012.56
  5. Step 5: Solve for x
    x = 10,010,444,012.56/119,202.28
  6. Step 6: Final answer
    x = 83,978.63

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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.