Home / 119,839.15-179,758.52-69,884.22

Finding the Fourth Proportional to 119,839.15, 179,758.52 and 69,884.22

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Solution

The fourth proportional to 119,839.15, 179,758.52 and 69,884.22 is: 104,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.15 : 179,758.52 = 69,884.22 : x
  2. Step 2: Convert to fraction form
    119,839.15/179,758.52 = 69,884.22/x
  3. Step 3: Cross multiply
    119,839.15x = 179,758.52 × 69,884.22
  4. Step 4: Simplify right side
    119,839.15x = 12,562,283,958.55
  5. Step 5: Solve for x
    x = 12,562,283,958.55/119,839.15
  6. Step 6: Final answer
    x = 104,826.21

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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.