Home / 185,873.13-278,815.16-45,631.75

Finding the Fourth Proportional to 185,873.13, 278,815.16 and 45,631.75

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Solution

The fourth proportional to 185,873.13, 278,815.16 and 45,631.75 is: 68,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,873.13 : 278,815.16 = 45,631.75 : x
  2. Step 2: Convert to fraction form
    185,873.13/278,815.16 = 45,631.75/x
  3. Step 3: Cross multiply
    185,873.13x = 278,815.16 × 45,631.75
  4. Step 4: Simplify right side
    185,873.13x = 12,722,823,677.33
  5. Step 5: Solve for x
    x = 12,722,823,677.33/185,873.13
  6. Step 6: Final answer
    x = 68,448.97

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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.