Home / 197,981.60-296,972.40-48,220.70

Finding the Fourth Proportional to 197,981.60, 296,972.40 and 48,220.70

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Solution

The fourth proportional to 197,981.60, 296,972.40 and 48,220.70 is: 72,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,981.60 : 296,972.40 = 48,220.70 : x
  2. Step 2: Convert to fraction form
    197,981.60/296,972.40 = 48,220.70/x
  3. Step 3: Cross multiply
    197,981.60x = 296,972.40 × 48,220.70
  4. Step 4: Simplify right side
    197,981.60x = 14,320,217,008.68
  5. Step 5: Solve for x
    x = 14,320,217,008.68/197,981.60
  6. Step 6: Final answer
    x = 72,331.05

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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.