Home / 108,496.36-162,522.78-80,448.04

Finding the Fourth Proportional to 108,496.36, 162,522.78 and 80,448.04

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Solution

The fourth proportional to 108,496.36, 162,522.78 and 80,448.04 is: 120,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,496.36 : 162,522.78 = 80,448.04 : x
  2. Step 2: Convert to fraction form
    108,496.36/162,522.78 = 80,448.04/x
  3. Step 3: Cross multiply
    108,496.36x = 162,522.78 × 80,448.04
  4. Step 4: Simplify right side
    108,496.36x = 13,074,639,106.35
  5. Step 5: Solve for x
    x = 13,074,639,106.35/108,496.36
  6. Step 6: Final answer
    x = 120,507.63

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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.