Home / 120,774.43-166,641.87-73,026.75

Finding the Fourth Proportional to 120,774.43, 166,641.87 and 73,026.75

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Solution

The fourth proportional to 120,774.43, 166,641.87 and 73,026.75 is: 100,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,774.43 : 166,641.87 = 73,026.75 : x
  2. Step 2: Convert to fraction form
    120,774.43/166,641.87 = 73,026.75/x
  3. Step 3: Cross multiply
    120,774.43x = 166,641.87 × 73,026.75
  4. Step 4: Simplify right side
    120,774.43x = 12,169,314,180.02
  5. Step 5: Solve for x
    x = 12,169,314,180.02/120,774.43
  6. Step 6: Final answer
    x = 100,760.68

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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.