Home / 204,961.60-282,804-124,431.52

Finding the Fourth Proportional to 204,961.60, 282,804 and 124,431.52

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Solution

The fourth proportional to 204,961.60, 282,804 and 124,431.52 is: 171,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,961.60 : 282,804 = 124,431.52 : x
  2. Step 2: Convert to fraction form
    204,961.60/282,804 = 124,431.52/x
  3. Step 3: Cross multiply
    204,961.60x = 282,804 × 124,431.52
  4. Step 4: Simplify right side
    204,961.60x = 35,189,731,582.08
  5. Step 5: Solve for x
    x = 35,189,731,582.08/204,961.60
  6. Step 6: Final answer
    x = 171,689.39

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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.