Home / 119,975.62-165,544.68-68,976.40

Finding the Fourth Proportional to 119,975.62, 165,544.68 and 68,976.40

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Solution

The fourth proportional to 119,975.62, 165,544.68 and 68,976.40 is: 95,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.62 : 165,544.68 = 68,976.40 : x
  2. Step 2: Convert to fraction form
    119,975.62/165,544.68 = 68,976.40/x
  3. Step 3: Cross multiply
    119,975.62x = 165,544.68 × 68,976.40
  4. Step 4: Simplify right side
    119,975.62x = 11,418,676,065.55
  5. Step 5: Solve for x
    x = 11,418,676,065.55/119,975.62
  6. Step 6: Final answer
    x = 95,174.97

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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.