Home / 190,391.58-262,731.33-113,952.78

Finding the Fourth Proportional to 190,391.58, 262,731.33 and 113,952.78

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Solution

The fourth proportional to 190,391.58, 262,731.33 and 113,952.78 is: 157,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,391.58 : 262,731.33 = 113,952.78 : x
  2. Step 2: Convert to fraction form
    190,391.58/262,731.33 = 113,952.78/x
  3. Step 3: Cross multiply
    190,391.58x = 262,731.33 × 113,952.78
  4. Step 4: Simplify right side
    190,391.58x = 29,938,965,446.60
  5. Step 5: Solve for x
    x = 29,938,965,446.60/190,391.58
  6. Step 6: Final answer
    x = 157,249.42

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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.