Home / 440,136.72-660,249.83-151,910.85

Finding the Fourth Proportional to 440,136.72, 660,249.83 and 151,910.85

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Solution

The fourth proportional to 440,136.72, 660,249.83 and 151,910.85 is: 227,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,136.72 : 660,249.83 = 151,910.85 : x
  2. Step 2: Convert to fraction form
    440,136.72/660,249.83 = 151,910.85/x
  3. Step 3: Cross multiply
    440,136.72x = 660,249.83 × 151,910.85
  4. Step 4: Simplify right side
    440,136.72x = 100,299,112,887.66
  5. Step 5: Solve for x
    x = 100,299,112,887.66/440,136.72
  6. Step 6: Final answer
    x = 227,881.72

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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.