Home / 185,766.78-278,660.70-59,418.12

Finding the Fourth Proportional to 185,766.78, 278,660.70 and 59,418.12

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Solution

The fourth proportional to 185,766.78, 278,660.70 and 59,418.12 is: 89,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,766.78 : 278,660.70 = 59,418.12 : x
  2. Step 2: Convert to fraction form
    185,766.78/278,660.70 = 59,418.12/x
  3. Step 3: Cross multiply
    185,766.78x = 278,660.70 × 59,418.12
  4. Step 4: Simplify right side
    185,766.78x = 16,557,494,911.88
  5. Step 5: Solve for x
    x = 16,557,494,911.88/185,766.78
  6. Step 6: Final answer
    x = 89,130.55

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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.