Home / 213,107.28-319,759.32-94,856.22

Finding the Fourth Proportional to 213,107.28, 319,759.32 and 94,856.22

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Solution

The fourth proportional to 213,107.28, 319,759.32 and 94,856.22 is: 142,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,107.28 : 319,759.32 = 94,856.22 : x
  2. Step 2: Convert to fraction form
    213,107.28/319,759.32 = 94,856.22/x
  3. Step 3: Cross multiply
    213,107.28x = 319,759.32 × 94,856.22
  4. Step 4: Simplify right side
    213,107.28x = 30,331,160,404.97
  5. Step 5: Solve for x
    x = 30,331,160,404.97/213,107.28
  6. Step 6: Final answer
    x = 142,328.13

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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.