Home / 131,996.24-197,997.60-43,330.40

Finding the Fourth Proportional to 131,996.24, 197,997.60 and 43,330.40

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Solution

The fourth proportional to 131,996.24, 197,997.60 and 43,330.40 is: 64,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.24 : 197,997.60 = 43,330.40 : x
  2. Step 2: Convert to fraction form
    131,996.24/197,997.60 = 43,330.40/x
  3. Step 3: Cross multiply
    131,996.24x = 197,997.60 × 43,330.40
  4. Step 4: Simplify right side
    131,996.24x = 8,579,315,207.04
  5. Step 5: Solve for x
    x = 8,579,315,207.04/131,996.24
  6. Step 6: Final answer
    x = 64,996.66

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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.