Home / 217,960.48-326,993.42-75,785.23

Finding the Fourth Proportional to 217,960.48, 326,993.42 and 75,785.23

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Solution

The fourth proportional to 217,960.48, 326,993.42 and 75,785.23 is: 113,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,960.48 : 326,993.42 = 75,785.23 : x
  2. Step 2: Convert to fraction form
    217,960.48/326,993.42 = 75,785.23/x
  3. Step 3: Cross multiply
    217,960.48x = 326,993.42 × 75,785.23
  4. Step 4: Simplify right side
    217,960.48x = 24,781,271,164.26
  5. Step 5: Solve for x
    x = 24,781,271,164.26/217,960.48
  6. Step 6: Final answer
    x = 113,696.17

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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.