Home / 140,775.12-211,231.08-61,879.14

Finding the Fourth Proportional to 140,775.12, 211,231.08 and 61,879.14

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Solution

The fourth proportional to 140,775.12, 211,231.08 and 61,879.14 is: 92,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,775.12 : 211,231.08 = 61,879.14 : x
  2. Step 2: Convert to fraction form
    140,775.12/211,231.08 = 61,879.14/x
  3. Step 3: Cross multiply
    140,775.12x = 211,231.08 × 61,879.14
  4. Step 4: Simplify right side
    140,775.12x = 13,070,797,571.67
  5. Step 5: Solve for x
    x = 13,070,797,571.67/140,775.12
  6. Step 6: Final answer
    x = 92,848.78

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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.