Home / 251,530.80-347,109.03-136,806.96

Finding the Fourth Proportional to 251,530.80, 347,109.03 and 136,806.96

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Solution

The fourth proportional to 251,530.80, 347,109.03 and 136,806.96 is: 188,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,530.80 : 347,109.03 = 136,806.96 : x
  2. Step 2: Convert to fraction form
    251,530.80/347,109.03 = 136,806.96/x
  3. Step 3: Cross multiply
    251,530.80x = 347,109.03 × 136,806.96
  4. Step 4: Simplify right side
    251,530.80x = 47,486,931,182.85
  5. Step 5: Solve for x
    x = 47,486,931,182.85/251,530.80
  6. Step 6: Final answer
    x = 188,791.72

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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.