Home / 234,640.35-351,956.88-57,145.86

Finding the Fourth Proportional to 234,640.35, 351,956.88 and 57,145.86

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Solution

The fourth proportional to 234,640.35, 351,956.88 and 57,145.86 is: 85,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,640.35 : 351,956.88 = 57,145.86 : x
  2. Step 2: Convert to fraction form
    234,640.35/351,956.88 = 57,145.86/x
  3. Step 3: Cross multiply
    234,640.35x = 351,956.88 × 57,145.86
  4. Step 4: Simplify right side
    234,640.35x = 20,112,878,590.52
  5. Step 5: Solve for x
    x = 20,112,878,590.52/234,640.35
  6. Step 6: Final answer
    x = 85,717.90

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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.