Home / 173,899.20-260,848.80-120,755.10

Finding the Fourth Proportional to 173,899.20, 260,848.80 and 120,755.10

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Solution

The fourth proportional to 173,899.20, 260,848.80 and 120,755.10 is: 181,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,899.20 : 260,848.80 = 120,755.10 : x
  2. Step 2: Convert to fraction form
    173,899.20/260,848.80 = 120,755.10/x
  3. Step 3: Cross multiply
    173,899.20x = 260,848.80 × 120,755.10
  4. Step 4: Simplify right side
    173,899.20x = 31,498,822,928.88
  5. Step 5: Solve for x
    x = 31,498,822,928.88/173,899.20
  6. Step 6: Final answer
    x = 181,132.65

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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.