Home / 131,996.20-197,994.30-124,220.20

Finding the Fourth Proportional to 131,996.20, 197,994.30 and 124,220.20

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Solution

The fourth proportional to 131,996.20, 197,994.30 and 124,220.20 is: 186,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.20 : 197,994.30 = 124,220.20 : x
  2. Step 2: Convert to fraction form
    131,996.20/197,994.30 = 124,220.20/x
  3. Step 3: Cross multiply
    131,996.20x = 197,994.30 × 124,220.20
  4. Step 4: Simplify right side
    131,996.20x = 24,594,891,544.86
  5. Step 5: Solve for x
    x = 24,594,891,544.86/131,996.20
  6. Step 6: Final answer
    x = 186,330.30

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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.