Home / 231,029.40-346,479.30-73,306.20

Finding the Fourth Proportional to 231,029.40, 346,479.30 and 73,306.20

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Solution

The fourth proportional to 231,029.40, 346,479.30 and 73,306.20 is: 109,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,029.40 : 346,479.30 = 73,306.20 : x
  2. Step 2: Convert to fraction form
    231,029.40/346,479.30 = 73,306.20/x
  3. Step 3: Cross multiply
    231,029.40x = 346,479.30 × 73,306.20
  4. Step 4: Simplify right side
    231,029.40x = 25,399,080,861.66
  5. Step 5: Solve for x
    x = 25,399,080,861.66/231,029.40
  6. Step 6: Final answer
    x = 109,938.74

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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.