Home / 193,230.33-266,412.67-138,105.45

Finding the Fourth Proportional to 193,230.33, 266,412.67 and 138,105.45

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Solution

The fourth proportional to 193,230.33, 266,412.67 and 138,105.45 is: 190,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,230.33 : 266,412.67 = 138,105.45 : x
  2. Step 2: Convert to fraction form
    193,230.33/266,412.67 = 138,105.45/x
  3. Step 3: Cross multiply
    193,230.33x = 266,412.67 × 138,105.45
  4. Step 4: Simplify right side
    193,230.33x = 36,793,040,969.92
  5. Step 5: Solve for x
    x = 36,793,040,969.92/193,230.33
  6. Step 6: Final answer
    x = 190,410.27

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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.