Home / 231,033.70-346,518.15-73,278.10

Finding the Fourth Proportional to 231,033.70, 346,518.15 and 73,278.10

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Solution

The fourth proportional to 231,033.70, 346,518.15 and 73,278.10 is: 109,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,033.70 : 346,518.15 = 73,278.10 : x
  2. Step 2: Convert to fraction form
    231,033.70/346,518.15 = 73,278.10/x
  3. Step 3: Cross multiply
    231,033.70x = 346,518.15 × 73,278.10
  4. Step 4: Simplify right side
    231,033.70x = 25,392,191,647.52
  5. Step 5: Solve for x
    x = 25,392,191,647.52/231,033.70
  6. Step 6: Final answer
    x = 109,906.87

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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.