Home / 193,231.33-266,414.05-138,106.45

Finding the Fourth Proportional to 193,231.33, 266,414.05 and 138,106.45

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Solution

The fourth proportional to 193,231.33, 266,414.05 and 138,106.45 is: 190,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,231.33 : 266,414.05 = 138,106.45 : x
  2. Step 2: Convert to fraction form
    193,231.33/266,414.05 = 138,106.45/x
  3. Step 3: Cross multiply
    193,231.33x = 266,414.05 × 138,106.45
  4. Step 4: Simplify right side
    193,231.33x = 36,793,498,675.62
  5. Step 5: Solve for x
    x = 36,793,498,675.62/193,231.33
  6. Step 6: Final answer
    x = 190,411.66

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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.