Home / 197,948.40-296,944.20-191,727.60

Finding the Fourth Proportional to 197,948.40, 296,944.20 and 191,727.60

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Solution

The fourth proportional to 197,948.40, 296,944.20 and 191,727.60 is: 287,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,948.40 : 296,944.20 = 191,727.60 : x
  2. Step 2: Convert to fraction form
    197,948.40/296,944.20 = 191,727.60/x
  3. Step 3: Cross multiply
    197,948.40x = 296,944.20 × 191,727.60
  4. Step 4: Simplify right side
    197,948.40x = 56,932,398,799.92
  5. Step 5: Solve for x
    x = 56,932,398,799.92/197,948.40
  6. Step 6: Final answer
    x = 287,612.32

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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.