Home / 185,718.20-278,578.90-52,601.40

Finding the Fourth Proportional to 185,718.20, 278,578.90 and 52,601.40

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Solution

The fourth proportional to 185,718.20, 278,578.90 and 52,601.40 is: 78,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718.20 : 278,578.90 = 52,601.40 : x
  2. Step 2: Convert to fraction form
    185,718.20/278,578.90 = 52,601.40/x
  3. Step 3: Cross multiply
    185,718.20x = 278,578.90 × 52,601.40
  4. Step 4: Simplify right side
    185,718.20x = 14,653,640,150.46
  5. Step 5: Solve for x
    x = 14,653,640,150.46/185,718.20
  6. Step 6: Final answer
    x = 78,902.55

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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.