Home / 199,201.11-274,897.58-108,557.10

Finding the Fourth Proportional to 199,201.11, 274,897.58 and 108,557.10

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Solution

The fourth proportional to 199,201.11, 274,897.58 and 108,557.10 is: 149,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,201.11 : 274,897.58 = 108,557.10 : x
  2. Step 2: Convert to fraction form
    199,201.11/274,897.58 = 108,557.10/x
  3. Step 3: Cross multiply
    199,201.11x = 274,897.58 × 108,557.10
  4. Step 4: Simplify right side
    199,201.11x = 29,842,084,081.82
  5. Step 5: Solve for x
    x = 29,842,084,081.82/199,201.11
  6. Step 6: Final answer
    x = 149,808.82

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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.