Home / 202,263.69-303,193.24-102,120.96

Finding the Fourth Proportional to 202,263.69, 303,193.24 and 102,120.96

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Solution

The fourth proportional to 202,263.69, 303,193.24 and 102,120.96 is: 153,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,263.69 : 303,193.24 = 102,120.96 : x
  2. Step 2: Convert to fraction form
    202,263.69/303,193.24 = 102,120.96/x
  3. Step 3: Cross multiply
    202,263.69x = 303,193.24 × 102,120.96
  4. Step 4: Simplify right side
    202,263.69x = 30,962,385,615.98
  5. Step 5: Solve for x
    x = 30,962,385,615.98/202,263.69
  6. Step 6: Final answer
    x = 153,079.30

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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.