Home / 120,517.20-180,774.86-36,277.00

Finding the Fourth Proportional to 120,517.20, 180,774.86 and 36,277.00

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Solution

The fourth proportional to 120,517.20, 180,774.86 and 36,277.00 is: 54,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,517.20 : 180,774.86 = 36,277.00 : x
  2. Step 2: Convert to fraction form
    120,517.20/180,774.86 = 36,277.00/x
  3. Step 3: Cross multiply
    120,517.20x = 180,774.86 × 36,277.00
  4. Step 4: Simplify right side
    120,517.20x = 6,557,968,962.90
  5. Step 5: Solve for x
    x = 6,557,968,962.90/120,517.20
  6. Step 6: Final answer
    x = 54,415.21

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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.