Home / 199,203.51-274,892.80-108,557.52

Finding the Fourth Proportional to 199,203.51, 274,892.80 and 108,557.52

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Solution

The fourth proportional to 199,203.51, 274,892.80 and 108,557.52 is: 149,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.51 : 274,892.80 = 108,557.52 : x
  2. Step 2: Convert to fraction form
    199,203.51/274,892.80 = 108,557.52/x
  3. Step 3: Cross multiply
    199,203.51x = 274,892.80 × 108,557.52
  4. Step 4: Simplify right side
    199,203.51x = 29,841,680,633.86
  5. Step 5: Solve for x
    x = 29,841,680,633.86/199,203.51
  6. Step 6: Final answer
    x = 149,804.99

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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.