Home / 148,581.48-204,992.56-84,874.16

Finding the Fourth Proportional to 148,581.48, 204,992.56 and 84,874.16

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Solution

The fourth proportional to 148,581.48, 204,992.56 and 84,874.16 is: 117,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,581.48 : 204,992.56 = 84,874.16 : x
  2. Step 2: Convert to fraction form
    148,581.48/204,992.56 = 84,874.16/x
  3. Step 3: Cross multiply
    148,581.48x = 204,992.56 × 84,874.16
  4. Step 4: Simplify right side
    148,581.48x = 17,398,571,336.25
  5. Step 5: Solve for x
    x = 17,398,571,336.25/148,581.48
  6. Step 6: Final answer
    x = 117,097.85

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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.