Home / 192,882.90-266,147.39-121,212.17

Finding the Fourth Proportional to 192,882.90, 266,147.39 and 121,212.17

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Solution

The fourth proportional to 192,882.90, 266,147.39 and 121,212.17 is: 167,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,882.90 : 266,147.39 = 121,212.17 : x
  2. Step 2: Convert to fraction form
    192,882.90/266,147.39 = 121,212.17/x
  3. Step 3: Cross multiply
    192,882.90x = 266,147.39 × 121,212.17
  4. Step 4: Simplify right side
    192,882.90x = 32,260,302,718.80
  5. Step 5: Solve for x
    x = 32,260,302,718.80/192,882.90
  6. Step 6: Final answer
    x = 167,253.31

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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.