Home / 180,328.70-270,517.66-75,123.06

Finding the Fourth Proportional to 180,328.70, 270,517.66 and 75,123.06

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Solution

The fourth proportional to 180,328.70, 270,517.66 and 75,123.06 is: 112,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,328.70 : 270,517.66 = 75,123.06 : x
  2. Step 2: Convert to fraction form
    180,328.70/270,517.66 = 75,123.06/x
  3. Step 3: Cross multiply
    180,328.70x = 270,517.66 × 75,123.06
  4. Step 4: Simplify right side
    180,328.70x = 20,322,114,403.24
  5. Step 5: Solve for x
    x = 20,322,114,403.24/180,328.70
  6. Step 6: Final answer
    x = 112,694.84

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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.