Home / 204,999.17-282,811.64-128,466.18

Finding the Fourth Proportional to 204,999.17, 282,811.64 and 128,466.18

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Solution

The fourth proportional to 204,999.17, 282,811.64 and 128,466.18 is: 177,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,999.17 : 282,811.64 = 128,466.18 : x
  2. Step 2: Convert to fraction form
    204,999.17/282,811.64 = 128,466.18/x
  3. Step 3: Cross multiply
    204,999.17x = 282,811.64 × 128,466.18
  4. Step 4: Simplify right side
    204,999.17x = 36,331,730,408.00
  5. Step 5: Solve for x
    x = 36,331,730,408.00/204,999.17
  6. Step 6: Final answer
    x = 177,228.68

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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.