Home / 165,111.44-227,851.78-89,660.48

Finding the Fourth Proportional to 165,111.44, 227,851.78 and 89,660.48

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Solution

The fourth proportional to 165,111.44, 227,851.78 and 89,660.48 is: 123,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111.44 : 227,851.78 = 89,660.48 : x
  2. Step 2: Convert to fraction form
    165,111.44/227,851.78 = 89,660.48/x
  3. Step 3: Cross multiply
    165,111.44x = 227,851.78 × 89,660.48
  4. Step 4: Simplify right side
    165,111.44x = 20,429,299,963.65
  5. Step 5: Solve for x
    x = 20,429,299,963.65/165,111.44
  6. Step 6: Final answer
    x = 123,730.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.