Home / 204,085.73-306,023.62-91,669.47

Finding the Fourth Proportional to 204,085.73, 306,023.62 and 91,669.47

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Solution

The fourth proportional to 204,085.73, 306,023.62 and 91,669.47 is: 137,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,085.73 : 306,023.62 = 91,669.47 : x
  2. Step 2: Convert to fraction form
    204,085.73/306,023.62 = 91,669.47/x
  3. Step 3: Cross multiply
    204,085.73x = 306,023.62 × 91,669.47
  4. Step 4: Simplify right side
    204,085.73x = 28,053,023,569.38
  5. Step 5: Solve for x
    x = 28,053,023,569.38/204,085.73
  6. Step 6: Final answer
    x = 137,457.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.