Home / 204,509.21-282,214.43-113,862.61

Finding the Fourth Proportional to 204,509.21, 282,214.43 and 113,862.61

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Solution

The fourth proportional to 204,509.21, 282,214.43 and 113,862.61 is: 157,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,509.21 : 282,214.43 = 113,862.61 : x
  2. Step 2: Convert to fraction form
    204,509.21/282,214.43 = 113,862.61/x
  3. Step 3: Cross multiply
    204,509.21x = 282,214.43 × 113,862.61
  4. Step 4: Simplify right side
    204,509.21x = 32,133,671,789.90
  5. Step 5: Solve for x
    x = 32,133,671,789.90/204,509.21
  6. Step 6: Final answer
    x = 157,125.80

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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.