Home / 236,517.10-354,666.30-103,328.80

Finding the Fourth Proportional to 236,517.10, 354,666.30 and 103,328.80

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Solution

The fourth proportional to 236,517.10, 354,666.30 and 103,328.80 is: 154,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,517.10 : 354,666.30 = 103,328.80 : x
  2. Step 2: Convert to fraction form
    236,517.10/354,666.30 = 103,328.80/x
  3. Step 3: Cross multiply
    236,517.10x = 354,666.30 × 103,328.80
  4. Step 4: Simplify right side
    236,517.10x = 36,647,243,179.44
  5. Step 5: Solve for x
    x = 36,647,243,179.44/236,517.10
  6. Step 6: Final answer
    x = 154,945.43

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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.