Home / 231,108.62-346,714.78-77,246.16

Finding the Fourth Proportional to 231,108.62, 346,714.78 and 77,246.16

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Solution

The fourth proportional to 231,108.62, 346,714.78 and 77,246.16 is: 115,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,108.62 : 346,714.78 = 77,246.16 : x
  2. Step 2: Convert to fraction form
    231,108.62/346,714.78 = 77,246.16/x
  3. Step 3: Cross multiply
    231,108.62x = 346,714.78 × 77,246.16
  4. Step 4: Simplify right side
    231,108.62x = 26,782,385,370.24
  5. Step 5: Solve for x
    x = 26,782,385,370.24/231,108.62
  6. Step 6: Final answer
    x = 115,886.57

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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.