Home / 394,281.35-591,098.03-169,814.15

Finding the Fourth Proportional to 394,281.35, 591,098.03 and 169,814.15

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Solution

The fourth proportional to 394,281.35, 591,098.03 and 169,814.15 is: 254,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,281.35 : 591,098.03 = 169,814.15 : x
  2. Step 2: Convert to fraction form
    394,281.35/591,098.03 = 169,814.15/x
  3. Step 3: Cross multiply
    394,281.35x = 591,098.03 × 169,814.15
  4. Step 4: Simplify right side
    394,281.35x = 100,376,808,682.05
  5. Step 5: Solve for x
    x = 100,376,808,682.05/394,281.35
  6. Step 6: Final answer
    x = 254,581.68

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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.