Home / 149,334.36-206,081.40-82,266.36

Finding the Fourth Proportional to 149,334.36, 206,081.40 and 82,266.36

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Solution

The fourth proportional to 149,334.36, 206,081.40 and 82,266.36 is: 113,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,334.36 : 206,081.40 = 82,266.36 : x
  2. Step 2: Convert to fraction form
    149,334.36/206,081.40 = 82,266.36/x
  3. Step 3: Cross multiply
    149,334.36x = 206,081.40 × 82,266.36
  4. Step 4: Simplify right side
    149,334.36x = 16,953,566,641.70
  5. Step 5: Solve for x
    x = 16,953,566,641.70/149,334.36
  6. Step 6: Final answer
    x = 113,527.57

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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.