Home / 165,008.36-227,711.66-89,556.84

Finding the Fourth Proportional to 165,008.36, 227,711.66 and 89,556.84

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Solution

The fourth proportional to 165,008.36, 227,711.66 and 89,556.84 is: 123,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,008.36 : 227,711.66 = 89,556.84 : x
  2. Step 2: Convert to fraction form
    165,008.36/227,711.66 = 89,556.84/x
  3. Step 3: Cross multiply
    165,008.36x = 227,711.66 × 89,556.84
  4. Step 4: Simplify right side
    165,008.36x = 20,393,136,700.75
  5. Step 5: Solve for x
    x = 20,393,136,700.75/165,008.36
  6. Step 6: Final answer
    x = 123,588.51

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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.