Home / 193,301.50-289,656.26-80,920.48

Finding the Fourth Proportional to 193,301.50, 289,656.26 and 80,920.48

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Solution

The fourth proportional to 193,301.50, 289,656.26 and 80,920.48 is: 121,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,301.50 : 289,656.26 = 80,920.48 : x
  2. Step 2: Convert to fraction form
    193,301.50/289,656.26 = 80,920.48/x
  3. Step 3: Cross multiply
    193,301.50x = 289,656.26 × 80,920.48
  4. Step 4: Simplify right side
    193,301.50x = 23,439,123,594.20
  5. Step 5: Solve for x
    x = 23,439,123,594.20/193,301.50
  6. Step 6: Final answer
    x = 121,256.81

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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.