Home / 119,731.44-179,926-111,930.24

Finding the Fourth Proportional to 119,731.44, 179,926 and 111,930.24

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Solution

The fourth proportional to 119,731.44, 179,926 and 111,930.24 is: 168,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.44 : 179,926 = 111,930.24 : x
  2. Step 2: Convert to fraction form
    119,731.44/179,926 = 111,930.24/x
  3. Step 3: Cross multiply
    119,731.44x = 179,926 × 111,930.24
  4. Step 4: Simplify right side
    119,731.44x = 20,139,160,362.24
  5. Step 5: Solve for x
    x = 20,139,160,362.24/119,731.44
  6. Step 6: Final answer
    x = 168,202.77

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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.