Home / 119,290.24-178,824.12-40,349.54

Finding the Fourth Proportional to 119,290.24, 178,824.12 and 40,349.54

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Solution

The fourth proportional to 119,290.24, 178,824.12 and 40,349.54 is: 60,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,290.24 : 178,824.12 = 40,349.54 : x
  2. Step 2: Convert to fraction form
    119,290.24/178,824.12 = 40,349.54/x
  3. Step 3: Cross multiply
    119,290.24x = 178,824.12 × 40,349.54
  4. Step 4: Simplify right side
    119,290.24x = 7,215,470,982.90
  5. Step 5: Solve for x
    x = 7,215,470,982.90/119,290.24
  6. Step 6: Final answer
    x = 60,486.68

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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.