Home / 180,106.56-270,159.85-67,811.97

Finding the Fourth Proportional to 180,106.56, 270,159.85 and 67,811.97

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Solution

The fourth proportional to 180,106.56, 270,159.85 and 67,811.97 is: 101,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,106.56 : 270,159.85 = 67,811.97 : x
  2. Step 2: Convert to fraction form
    180,106.56/270,159.85 = 67,811.97/x
  3. Step 3: Cross multiply
    180,106.56x = 270,159.85 × 67,811.97
  4. Step 4: Simplify right side
    180,106.56x = 18,320,071,473.87
  5. Step 5: Solve for x
    x = 18,320,071,473.87/180,106.56
  6. Step 6: Final answer
    x = 101,717.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.