Home / 205,764.03-284,051.45-154,796.22

Finding the Fourth Proportional to 205,764.03, 284,051.45 and 154,796.22

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Solution

The fourth proportional to 205,764.03, 284,051.45 and 154,796.22 is: 213,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,764.03 : 284,051.45 = 154,796.22 : x
  2. Step 2: Convert to fraction form
    205,764.03/284,051.45 = 154,796.22/x
  3. Step 3: Cross multiply
    205,764.03x = 284,051.45 × 154,796.22
  4. Step 4: Simplify right side
    205,764.03x = 43,970,090,745.52
  5. Step 5: Solve for x
    x = 43,970,090,745.52/205,764.03
  6. Step 6: Final answer
    x = 213,691.82

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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.