Home / 202,190.10-303,479.55-102,462.90

Finding the Fourth Proportional to 202,190.10, 303,479.55 and 102,462.90

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Solution

The fourth proportional to 202,190.10, 303,479.55 and 102,462.90 is: 153,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,190.10 : 303,479.55 = 102,462.90 : x
  2. Step 2: Convert to fraction form
    202,190.10/303,479.55 = 102,462.90/x
  3. Step 3: Cross multiply
    202,190.10x = 303,479.55 × 102,462.90
  4. Step 4: Simplify right side
    202,190.10x = 31,095,394,783.70
  5. Step 5: Solve for x
    x = 31,095,394,783.70/202,190.10
  6. Step 6: Final answer
    x = 153,792.87

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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.