Home / 251,940.30-347,717.11-148,585.86

Finding the Fourth Proportional to 251,940.30, 347,717.11 and 148,585.86

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Solution

The fourth proportional to 251,940.30, 347,717.11 and 148,585.86 is: 205,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,940.30 : 347,717.11 = 148,585.86 : x
  2. Step 2: Convert to fraction form
    251,940.30/347,717.11 = 148,585.86/x
  3. Step 3: Cross multiply
    251,940.30x = 347,717.11 × 148,585.86
  4. Step 4: Simplify right side
    251,940.30x = 51,665,844,524.03
  5. Step 5: Solve for x
    x = 51,665,844,524.03/251,940.30
  6. Step 6: Final answer
    x = 205,071.77

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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.