Home / 204,520.22-282,249.53-122,873.45

Finding the Fourth Proportional to 204,520.22, 282,249.53 and 122,873.45

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Solution

The fourth proportional to 204,520.22, 282,249.53 and 122,873.45 is: 169,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,520.22 : 282,249.53 = 122,873.45 : x
  2. Step 2: Convert to fraction form
    204,520.22/282,249.53 = 122,873.45/x
  3. Step 3: Cross multiply
    204,520.22x = 282,249.53 × 122,873.45
  4. Step 4: Simplify right side
    204,520.22x = 34,680,971,486.36
  5. Step 5: Solve for x
    x = 34,680,971,486.36/204,520.22
  6. Step 6: Final answer
    x = 169,572.34

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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.