Home / 185,787.01-278,609.20-79,103.33

Finding the Fourth Proportional to 185,787.01, 278,609.20 and 79,103.33

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Solution

The fourth proportional to 185,787.01, 278,609.20 and 79,103.33 is: 118,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.01 : 278,609.20 = 79,103.33 : x
  2. Step 2: Convert to fraction form
    185,787.01/278,609.20 = 79,103.33/x
  3. Step 3: Cross multiply
    185,787.01x = 278,609.20 × 79,103.33
  4. Step 4: Simplify right side
    185,787.01x = 22,038,915,488.64
  5. Step 5: Solve for x
    x = 22,038,915,488.64/185,787.01
  6. Step 6: Final answer
    x = 118,624.63

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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.