Home / 204,044.40-305,806.77-115,347.24

Finding the Fourth Proportional to 204,044.40, 305,806.77 and 115,347.24

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Solution

The fourth proportional to 204,044.40, 305,806.77 and 115,347.24 is: 172,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,044.40 : 305,806.77 = 115,347.24 : x
  2. Step 2: Convert to fraction form
    204,044.40/305,806.77 = 115,347.24/x
  3. Step 3: Cross multiply
    204,044.40x = 305,806.77 × 115,347.24
  4. Step 4: Simplify right side
    204,044.40x = 35,273,966,892.81
  5. Step 5: Solve for x
    x = 35,273,966,892.81/204,044.40
  6. Step 6: Final answer
    x = 172,873.98

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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.