Home / 541,825.20-812,740.50-222,151.68

Finding the Fourth Proportional to 541,825.20, 812,740.50 and 222,151.68

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Solution

The fourth proportional to 541,825.20, 812,740.50 and 222,151.68 is: 333,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,825.20 : 812,740.50 = 222,151.68 : x
  2. Step 2: Convert to fraction form
    541,825.20/812,740.50 = 222,151.68/x
  3. Step 3: Cross multiply
    541,825.20x = 812,740.50 × 222,151.68
  4. Step 4: Simplify right side
    541,825.20x = 180,551,667,479.04
  5. Step 5: Solve for x
    x = 180,551,667,479.04/541,825.20
  6. Step 6: Final answer
    x = 333,228.63

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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.