Home / 440,231.89-660,315.54-140,632.02

Finding the Fourth Proportional to 440,231.89, 660,315.54 and 140,632.02

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Solution

The fourth proportional to 440,231.89, 660,315.54 and 140,632.02 is: 210,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,231.89 : 660,315.54 = 140,632.02 : x
  2. Step 2: Convert to fraction form
    440,231.89/660,315.54 = 140,632.02/x
  3. Step 3: Cross multiply
    440,231.89x = 660,315.54 × 140,632.02
  4. Step 4: Simplify right side
    440,231.89x = 92,861,508,227.59
  5. Step 5: Solve for x
    x = 92,861,508,227.59/440,231.89
  6. Step 6: Final answer
    x = 210,937.71

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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.