Home / 221,180.44-305,132.76-140,564.80

Finding the Fourth Proportional to 221,180.44, 305,132.76 and 140,564.80

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Solution

The fourth proportional to 221,180.44, 305,132.76 and 140,564.80 is: 193,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,180.44 : 305,132.76 = 140,564.80 : x
  2. Step 2: Convert to fraction form
    221,180.44/305,132.76 = 140,564.80/x
  3. Step 3: Cross multiply
    221,180.44x = 305,132.76 × 140,564.80
  4. Step 4: Simplify right side
    221,180.44x = 42,890,925,382.85
  5. Step 5: Solve for x
    x = 42,890,925,382.85/221,180.44
  6. Step 6: Final answer
    x = 193,918.26

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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.