Home / 385,529.11-532,086.04-222,153.83

Finding the Fourth Proportional to 385,529.11, 532,086.04 and 222,153.83

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Solution

The fourth proportional to 385,529.11, 532,086.04 and 222,153.83 is: 306,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,529.11 : 532,086.04 = 222,153.83 : x
  2. Step 2: Convert to fraction form
    385,529.11/532,086.04 = 222,153.83/x
  3. Step 3: Cross multiply
    385,529.11x = 532,086.04 × 222,153.83
  4. Step 4: Simplify right side
    385,529.11x = 118,204,951,675.53
  5. Step 5: Solve for x
    x = 118,204,951,675.53/385,529.11
  6. Step 6: Final answer
    x = 306,604.48

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1.5x scale

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.