Home / 185,367.24-278,089.74-80,201.16

Finding the Fourth Proportional to 185,367.24, 278,089.74 and 80,201.16

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Solution

The fourth proportional to 185,367.24, 278,089.74 and 80,201.16 is: 120,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,367.24 : 278,089.74 = 80,201.16 : x
  2. Step 2: Convert to fraction form
    185,367.24/278,089.74 = 80,201.16/x
  3. Step 3: Cross multiply
    185,367.24x = 278,089.74 × 80,201.16
  4. Step 4: Simplify right side
    185,367.24x = 22,303,119,732.10
  5. Step 5: Solve for x
    x = 22,303,119,732.10/185,367.24
  6. Step 6: Final answer
    x = 120,318.56

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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.