Home / 120,273.22-165,972.94-66,560.50

Finding the Fourth Proportional to 120,273.22, 165,972.94 and 66,560.50

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Solution

The fourth proportional to 120,273.22, 165,972.94 and 66,560.50 is: 91,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.22 : 165,972.94 = 66,560.50 : x
  2. Step 2: Convert to fraction form
    120,273.22/165,972.94 = 66,560.50/x
  3. Step 3: Cross multiply
    120,273.22x = 165,972.94 × 66,560.50
  4. Step 4: Simplify right side
    120,273.22x = 11,047,241,872.87
  5. Step 5: Solve for x
    x = 11,047,241,872.87/120,273.22
  6. Step 6: Final answer
    x = 91,851.22

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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.