Home / 185,839.77-278,748.37-65,902.65

Finding the Fourth Proportional to 185,839.77, 278,748.37 and 65,902.65

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Solution

The fourth proportional to 185,839.77, 278,748.37 and 65,902.65 is: 98,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.77 : 278,748.37 = 65,902.65 : x
  2. Step 2: Convert to fraction form
    185,839.77/278,748.37 = 65,902.65/x
  3. Step 3: Cross multiply
    185,839.77x = 278,748.37 × 65,902.65
  4. Step 4: Simplify right side
    185,839.77x = 18,370,256,266.18
  5. Step 5: Solve for x
    x = 18,370,256,266.18/185,839.77
  6. Step 6: Final answer
    x = 98,849.97

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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.