Home / 119,887.83-179,765.51-75,419.44

Finding the Fourth Proportional to 119,887.83, 179,765.51 and 75,419.44

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Solution

The fourth proportional to 119,887.83, 179,765.51 and 75,419.44 is: 113,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,887.83 : 179,765.51 = 75,419.44 : x
  2. Step 2: Convert to fraction form
    119,887.83/179,765.51 = 75,419.44/x
  3. Step 3: Cross multiply
    119,887.83x = 179,765.51 × 75,419.44
  4. Step 4: Simplify right side
    119,887.83x = 13,557,813,269.00
  5. Step 5: Solve for x
    x = 13,557,813,269.00/119,887.83
  6. Step 6: Final answer
    x = 113,087.49

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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.