Home / 440,233.89-660,318.54-140,634.02

Finding the Fourth Proportional to 440,233.89, 660,318.54 and 140,634.02

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Solution

The fourth proportional to 440,233.89, 660,318.54 and 140,634.02 is: 210,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,233.89 : 660,318.54 = 140,634.02 : x
  2. Step 2: Convert to fraction form
    440,233.89/660,318.54 = 140,634.02/x
  3. Step 3: Cross multiply
    440,233.89x = 660,318.54 × 140,634.02
  4. Step 4: Simplify right side
    440,233.89x = 92,863,247,459.14
  5. Step 5: Solve for x
    x = 92,863,247,459.14/440,233.89
  6. Step 6: Final answer
    x = 210,940.71

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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.