Home / 185,685.60-278,540.24-52,576.34

Finding the Fourth Proportional to 185,685.60, 278,540.24 and 52,576.34

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Solution

The fourth proportional to 185,685.60, 278,540.24 and 52,576.34 is: 78,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,685.60 : 278,540.24 = 52,576.34 : x
  2. Step 2: Convert to fraction form
    185,685.60/278,540.24 = 52,576.34/x
  3. Step 3: Cross multiply
    185,685.60x = 278,540.24 × 52,576.34
  4. Step 4: Simplify right side
    185,685.60x = 14,644,626,361.92
  5. Step 5: Solve for x
    x = 14,644,626,361.92/185,685.60
  6. Step 6: Final answer
    x = 78,867.86

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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.