Home / 99,309.40-148,967.70-29,195.80

Finding the Fourth Proportional to 99,309.40, 148,967.70 and 29,195.80

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Solution

The fourth proportional to 99,309.40, 148,967.70 and 29,195.80 is: 43,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,309.40 : 148,967.70 = 29,195.80 : x
  2. Step 2: Convert to fraction form
    99,309.40/148,967.70 = 29,195.80/x
  3. Step 3: Cross multiply
    99,309.40x = 148,967.70 × 29,195.80
  4. Step 4: Simplify right side
    99,309.40x = 4,349,231,175.66
  5. Step 5: Solve for x
    x = 4,349,231,175.66/99,309.40
  6. Step 6: Final answer
    x = 43,794.76

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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.