Home / 188,103.56-259,582.18-103,222.04

Finding the Fourth Proportional to 188,103.56, 259,582.18 and 103,222.04

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Solution

The fourth proportional to 188,103.56, 259,582.18 and 103,222.04 is: 142,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,103.56 : 259,582.18 = 103,222.04 : x
  2. Step 2: Convert to fraction form
    188,103.56/259,582.18 = 103,222.04/x
  3. Step 3: Cross multiply
    188,103.56x = 259,582.18 × 103,222.04
  4. Step 4: Simplify right side
    188,103.56x = 26,794,602,167.25
  5. Step 5: Solve for x
    x = 26,794,602,167.25/188,103.56
  6. Step 6: Final answer
    x = 142,446.01

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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.