Home / 193,515.20-289,616.70-169,895.60

Finding the Fourth Proportional to 193,515.20, 289,616.70 and 169,895.60

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Solution

The fourth proportional to 193,515.20, 289,616.70 and 169,895.60 is: 254,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,515.20 : 289,616.70 = 169,895.60 : x
  2. Step 2: Convert to fraction form
    193,515.20/289,616.70 = 169,895.60/x
  3. Step 3: Cross multiply
    193,515.20x = 289,616.70 × 169,895.60
  4. Step 4: Simplify right side
    193,515.20x = 49,204,603,016.52
  5. Step 5: Solve for x
    x = 49,204,603,016.52/193,515.20
  6. Step 6: Final answer
    x = 254,267.38

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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.