Home / 202,840.20-304,446.30-103,069.80

Finding the Fourth Proportional to 202,840.20, 304,446.30 and 103,069.80

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Solution

The fourth proportional to 202,840.20, 304,446.30 and 103,069.80 is: 154,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,840.20 : 304,446.30 = 103,069.80 : x
  2. Step 2: Convert to fraction form
    202,840.20/304,446.30 = 103,069.80/x
  3. Step 3: Cross multiply
    202,840.20x = 304,446.30 × 103,069.80
  4. Step 4: Simplify right side
    202,840.20x = 31,379,219,251.74
  5. Step 5: Solve for x
    x = 31,379,219,251.74/202,840.20
  6. Step 6: Final answer
    x = 154,699.21

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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.