Home / 190,076.40-262,279.49-113,579.33

Finding the Fourth Proportional to 190,076.40, 262,279.49 and 113,579.33

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Solution

The fourth proportional to 190,076.40, 262,279.49 and 113,579.33 is: 156,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,076.40 : 262,279.49 = 113,579.33 : x
  2. Step 2: Convert to fraction form
    190,076.40/262,279.49 = 113,579.33/x
  3. Step 3: Cross multiply
    190,076.40x = 262,279.49 × 113,579.33
  4. Step 4: Simplify right side
    190,076.40x = 29,789,526,867.65
  5. Step 5: Solve for x
    x = 29,789,526,867.65/190,076.40
  6. Step 6: Final answer
    x = 156,723.96

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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.