Home / 231,012.30-346,648.05-97,869.90

Finding the Fourth Proportional to 231,012.30, 346,648.05 and 97,869.90

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Solution

The fourth proportional to 231,012.30, 346,648.05 and 97,869.90 is: 146,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,012.30 : 346,648.05 = 97,869.90 : x
  2. Step 2: Convert to fraction form
    231,012.30/346,648.05 = 97,869.90/x
  3. Step 3: Cross multiply
    231,012.30x = 346,648.05 × 97,869.90
  4. Step 4: Simplify right side
    231,012.30x = 33,926,409,988.70
  5. Step 5: Solve for x
    x = 33,926,409,988.70/231,012.30
  6. Step 6: Final answer
    x = 146,859.76

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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.