Home / 109,837.10-164,626.05-82,102.70

Finding the Fourth Proportional to 109,837.10, 164,626.05 and 82,102.70

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Solution

The fourth proportional to 109,837.10, 164,626.05 and 82,102.70 is: 123,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837.10 : 164,626.05 = 82,102.70 : x
  2. Step 2: Convert to fraction form
    109,837.10/164,626.05 = 82,102.70/x
  3. Step 3: Cross multiply
    109,837.10x = 164,626.05 × 82,102.70
  4. Step 4: Simplify right side
    109,837.10x = 13,516,243,195.34
  5. Step 5: Solve for x
    x = 13,516,243,195.34/109,837.10
  6. Step 6: Final answer
    x = 123,057.17

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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.