Home / 316,778.27-437,154.03-189,453.89

Finding the Fourth Proportional to 316,778.27, 437,154.03 and 189,453.89

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Solution

The fourth proportional to 316,778.27, 437,154.03 and 189,453.89 is: 261,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,778.27 : 437,154.03 = 189,453.89 : x
  2. Step 2: Convert to fraction form
    316,778.27/437,154.03 = 189,453.89/x
  3. Step 3: Cross multiply
    316,778.27x = 437,154.03 × 189,453.89
  4. Step 4: Simplify right side
    316,778.27x = 82,820,531,512.68
  5. Step 5: Solve for x
    x = 82,820,531,512.68/316,778.27
  6. Step 6: Final answer
    x = 261,446.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.