Home / 204,662.16-307,026.05-86,350.93

Finding the Fourth Proportional to 204,662.16, 307,026.05 and 86,350.93

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Solution

The fourth proportional to 204,662.16, 307,026.05 and 86,350.93 is: 129,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,662.16 : 307,026.05 = 86,350.93 : x
  2. Step 2: Convert to fraction form
    204,662.16/307,026.05 = 86,350.93/x
  3. Step 3: Cross multiply
    204,662.16x = 307,026.05 × 86,350.93
  4. Step 4: Simplify right side
    204,662.16x = 26,511,985,551.39
  5. Step 5: Solve for x
    x = 26,511,985,551.39/204,662.16
  6. Step 6: Final answer
    x = 129,540.24

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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.