Home / 175,029.30-262,241.55-81,342.90

Finding the Fourth Proportional to 175,029.30, 262,241.55 and 81,342.90

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Solution

The fourth proportional to 175,029.30, 262,241.55 and 81,342.90 is: 121,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,029.30 : 262,241.55 = 81,342.90 : x
  2. Step 2: Convert to fraction form
    175,029.30/262,241.55 = 81,342.90/x
  3. Step 3: Cross multiply
    175,029.30x = 262,241.55 × 81,342.90
  4. Step 4: Simplify right side
    175,029.30x = 21,331,488,177.50
  5. Step 5: Solve for x
    x = 21,331,488,177.50/175,029.30
  6. Step 6: Final answer
    x = 121,873.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.