Home / 204,781.75-282,575.45-118,722.79

Finding the Fourth Proportional to 204,781.75, 282,575.45 and 118,722.79

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Solution

The fourth proportional to 204,781.75, 282,575.45 and 118,722.79 is: 163,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,781.75 : 282,575.45 = 118,722.79 : x
  2. Step 2: Convert to fraction form
    204,781.75/282,575.45 = 118,722.79/x
  3. Step 3: Cross multiply
    204,781.75x = 282,575.45 × 118,722.79
  4. Step 4: Simplify right side
    204,781.75x = 33,548,145,809.51
  5. Step 5: Solve for x
    x = 33,548,145,809.51/204,781.75
  6. Step 6: Final answer
    x = 163,823.90

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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.