Home / 110,344.62-165,600.09-80,838.06

Finding the Fourth Proportional to 110,344.62, 165,600.09 and 80,838.06

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Solution

The fourth proportional to 110,344.62, 165,600.09 and 80,838.06 is: 121,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,344.62 : 165,600.09 = 80,838.06 : x
  2. Step 2: Convert to fraction form
    110,344.62/165,600.09 = 80,838.06/x
  3. Step 3: Cross multiply
    110,344.62x = 165,600.09 × 80,838.06
  4. Step 4: Simplify right side
    110,344.62x = 13,386,790,011.43
  5. Step 5: Solve for x
    x = 13,386,790,011.43/110,344.62
  6. Step 6: Final answer
    x = 121,318.01

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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.