Home / 192,367.26-288,555.75-91,141.56

Finding the Fourth Proportional to 192,367.26, 288,555.75 and 91,141.56

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Solution

The fourth proportional to 192,367.26, 288,555.75 and 91,141.56 is: 136,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,367.26 : 288,555.75 = 91,141.56 : x
  2. Step 2: Convert to fraction form
    192,367.26/288,555.75 = 91,141.56/x
  3. Step 3: Cross multiply
    192,367.26x = 288,555.75 × 91,141.56
  4. Step 4: Simplify right side
    192,367.26x = 26,299,421,201.97
  5. Step 5: Solve for x
    x = 26,299,421,201.97/192,367.26
  6. Step 6: Final answer
    x = 136,714.64

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1.5x scale

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.