Home / 221,932.63-306,180.97-141,345.73

Finding the Fourth Proportional to 221,932.63, 306,180.97 and 141,345.73

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Solution

The fourth proportional to 221,932.63, 306,180.97 and 141,345.73 is: 195,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932.63 : 306,180.97 = 141,345.73 : x
  2. Step 2: Convert to fraction form
    221,932.63/306,180.97 = 141,345.73/x
  3. Step 3: Cross multiply
    221,932.63x = 306,180.97 × 141,345.73
  4. Step 4: Simplify right side
    221,932.63x = 43,277,372,716.76
  5. Step 5: Solve for x
    x = 43,277,372,716.76/221,932.63
  6. Step 6: Final answer
    x = 195,002.30

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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.