Home / 251,530.30-347,108.34-136,806.46

Finding the Fourth Proportional to 251,530.30, 347,108.34 and 136,806.46

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Solution

The fourth proportional to 251,530.30, 347,108.34 and 136,806.46 is: 188,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,530.30 : 347,108.34 = 136,806.46 : x
  2. Step 2: Convert to fraction form
    251,530.30/347,108.34 = 136,806.46/x
  3. Step 3: Cross multiply
    251,530.30x = 347,108.34 × 136,806.46
  4. Step 4: Simplify right side
    251,530.30x = 47,486,663,231.88
  5. Step 5: Solve for x
    x = 47,486,663,231.88/251,530.30
  6. Step 6: Final answer
    x = 188,791.03

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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.