Home / 117,241.20-175,717.43-66,682.62

Finding the Fourth Proportional to 117,241.20, 175,717.43 and 66,682.62

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Solution

The fourth proportional to 117,241.20, 175,717.43 and 66,682.62 is: 99,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,241.20 : 175,717.43 = 66,682.62 : x
  2. Step 2: Convert to fraction form
    117,241.20/175,717.43 = 66,682.62/x
  3. Step 3: Cross multiply
    117,241.20x = 175,717.43 × 66,682.62
  4. Step 4: Simplify right side
    117,241.20x = 11,717,298,278.65
  5. Step 5: Solve for x
    x = 11,717,298,278.65/117,241.20
  6. Step 6: Final answer
    x = 99,941.81

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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.