Home / 231,049.96-346,614.35-103,012.70

Finding the Fourth Proportional to 231,049.96, 346,614.35 and 103,012.70

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Solution

The fourth proportional to 231,049.96, 346,614.35 and 103,012.70 is: 154,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,049.96 : 346,614.35 = 103,012.70 : x
  2. Step 2: Convert to fraction form
    231,049.96/346,614.35 = 103,012.70/x
  3. Step 3: Cross multiply
    231,049.96x = 346,614.35 × 103,012.70
  4. Step 4: Simplify right side
    231,049.96x = 35,705,679,103.91
  5. Step 5: Solve for x
    x = 35,705,679,103.91/231,049.96
  6. Step 6: Final answer
    x = 154,536.62

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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.