Home / 251,188.91-346,640.13-143,761.04

Finding the Fourth Proportional to 251,188.91, 346,640.13 and 143,761.04

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Solution

The fourth proportional to 251,188.91, 346,640.13 and 143,761.04 is: 198,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,188.91 : 346,640.13 = 143,761.04 : x
  2. Step 2: Convert to fraction form
    251,188.91/346,640.13 = 143,761.04/x
  3. Step 3: Cross multiply
    251,188.91x = 346,640.13 × 143,761.04
  4. Step 4: Simplify right side
    251,188.91x = 49,833,343,861.33
  5. Step 5: Solve for x
    x = 49,833,343,861.33/251,188.91
  6. Step 6: Final answer
    x = 198,389.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.