Home / 351,123.19-484,546.55-189,974.70

Finding the Fourth Proportional to 351,123.19, 484,546.55 and 189,974.70

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Solution

The fourth proportional to 351,123.19, 484,546.55 and 189,974.70 is: 262,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,123.19 : 484,546.55 = 189,974.70 : x
  2. Step 2: Convert to fraction form
    351,123.19/484,546.55 = 189,974.70/x
  3. Step 3: Cross multiply
    351,123.19x = 484,546.55 × 189,974.70
  4. Step 4: Simplify right side
    351,123.19x = 92,051,585,472.29
  5. Step 5: Solve for x
    x = 92,051,585,472.29/351,123.19
  6. Step 6: Final answer
    x = 262,163.22

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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.