Home / 119,576.43-165,012.08-65,127.38

Finding the Fourth Proportional to 119,576.43, 165,012.08 and 65,127.38

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Solution

The fourth proportional to 119,576.43, 165,012.08 and 65,127.38 is: 89,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576.43 : 165,012.08 = 65,127.38 : x
  2. Step 2: Convert to fraction form
    119,576.43/165,012.08 = 65,127.38/x
  3. Step 3: Cross multiply
    119,576.43x = 165,012.08 × 65,127.38
  4. Step 4: Simplify right side
    119,576.43x = 10,746,803,288.05
  5. Step 5: Solve for x
    x = 10,746,803,288.05/119,576.43
  6. Step 6: Final answer
    x = 89,873.93

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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.