Home / 185,886.80-278,522.40-106,863.20

Finding the Fourth Proportional to 185,886.80, 278,522.40 and 106,863.20

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Solution

The fourth proportional to 185,886.80, 278,522.40 and 106,863.20 is: 160,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,886.80 : 278,522.40 = 106,863.20 : x
  2. Step 2: Convert to fraction form
    185,886.80/278,522.40 = 106,863.20/x
  3. Step 3: Cross multiply
    185,886.80x = 278,522.40 × 106,863.20
  4. Step 4: Simplify right side
    185,886.80x = 29,763,794,935.68
  5. Step 5: Solve for x
    x = 29,763,794,935.68/185,886.80
  6. Step 6: Final answer
    x = 160,117.85

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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.