Home / 231,010.75-346,654.38-99,682.75

Finding the Fourth Proportional to 231,010.75, 346,654.38 and 99,682.75

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Solution

The fourth proportional to 231,010.75, 346,654.38 and 99,682.75 is: 149,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,010.75 : 346,654.38 = 99,682.75 : x
  2. Step 2: Convert to fraction form
    231,010.75/346,654.38 = 99,682.75/x
  3. Step 3: Cross multiply
    231,010.75x = 346,654.38 × 99,682.75
  4. Step 4: Simplify right side
    231,010.75x = 34,555,461,897.95
  5. Step 5: Solve for x
    x = 34,555,461,897.95/231,010.75
  6. Step 6: Final answer
    x = 149,583.78

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1.5x scale

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.