Home / 185,486.10-278,315.55-96,839.70

Finding the Fourth Proportional to 185,486.10, 278,315.55 and 96,839.70

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Solution

The fourth proportional to 185,486.10, 278,315.55 and 96,839.70 is: 145,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,486.10 : 278,315.55 = 96,839.70 : x
  2. Step 2: Convert to fraction form
    185,486.10/278,315.55 = 96,839.70/x
  3. Step 3: Cross multiply
    185,486.10x = 278,315.55 × 96,839.70
  4. Step 4: Simplify right side
    185,486.10x = 26,951,994,367.34
  5. Step 5: Solve for x
    x = 26,951,994,367.34/185,486.10
  6. Step 6: Final answer
    x = 145,304.66

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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.