Home / 209,214.52-313,581.19-96,658.28

Finding the Fourth Proportional to 209,214.52, 313,581.19 and 96,658.28

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Solution

The fourth proportional to 209,214.52, 313,581.19 and 96,658.28 is: 144,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,214.52 : 313,581.19 = 96,658.28 : x
  2. Step 2: Convert to fraction form
    209,214.52/313,581.19 = 96,658.28/x
  3. Step 3: Cross multiply
    209,214.52x = 313,581.19 × 96,658.28
  4. Step 4: Simplify right side
    209,214.52x = 30,310,218,465.75
  5. Step 5: Solve for x
    x = 30,310,218,465.75/209,214.52
  6. Step 6: Final answer
    x = 144,876.27

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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.