Home / 251,757.90-347,415.64-144,253.17

Finding the Fourth Proportional to 251,757.90, 347,415.64 and 144,253.17

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Solution

The fourth proportional to 251,757.90, 347,415.64 and 144,253.17 is: 199,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,757.90 : 347,415.64 = 144,253.17 : x
  2. Step 2: Convert to fraction form
    251,757.90/347,415.64 = 144,253.17/x
  3. Step 3: Cross multiply
    251,757.90x = 347,415.64 × 144,253.17
  4. Step 4: Simplify right side
    251,757.90x = 50,115,807,377.58
  5. Step 5: Solve for x
    x = 50,115,807,377.58/251,757.90
  6. Step 6: Final answer
    x = 199,063.49

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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.