Home / 179,264.40-268,896.60-171,391.20

Finding the Fourth Proportional to 179,264.40, 268,896.60 and 171,391.20

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Solution

The fourth proportional to 179,264.40, 268,896.60 and 171,391.20 is: 257,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,264.40 : 268,896.60 = 171,391.20 : x
  2. Step 2: Convert to fraction form
    179,264.40/268,896.60 = 171,391.20/x
  3. Step 3: Cross multiply
    179,264.40x = 268,896.60 × 171,391.20
  4. Step 4: Simplify right side
    179,264.40x = 46,086,510,949.92
  5. Step 5: Solve for x
    x = 46,086,510,949.92/179,264.40
  6. Step 6: Final answer
    x = 257,086.80

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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.