Home / 119,576.18-165,016.24-65,861.39

Finding the Fourth Proportional to 119,576.18, 165,016.24 and 65,861.39

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Solution

The fourth proportional to 119,576.18, 165,016.24 and 65,861.39 is: 90,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576.18 : 165,016.24 = 65,861.39 : x
  2. Step 2: Convert to fraction form
    119,576.18/165,016.24 = 65,861.39/x
  3. Step 3: Cross multiply
    119,576.18x = 165,016.24 × 65,861.39
  4. Step 4: Simplify right side
    119,576.18x = 10,868,197,949.24
  5. Step 5: Solve for x
    x = 10,868,197,949.24/119,576.18
  6. Step 6: Final answer
    x = 90,889.33

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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.