Home / 251,790.42-347,449.59-144,335.82

Finding the Fourth Proportional to 251,790.42, 347,449.59 and 144,335.82

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Solution

The fourth proportional to 251,790.42, 347,449.59 and 144,335.82 is: 199,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,790.42 : 347,449.59 = 144,335.82 : x
  2. Step 2: Convert to fraction form
    251,790.42/347,449.59 = 144,335.82/x
  3. Step 3: Cross multiply
    251,790.42x = 347,449.59 × 144,335.82
  4. Step 4: Simplify right side
    251,790.42x = 50,149,421,481.31
  5. Step 5: Solve for x
    x = 50,149,421,481.31/251,790.42
  6. Step 6: Final answer
    x = 199,171.28

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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.