Home / 356,734.14-492,274.30-203,742.25

Finding the Fourth Proportional to 356,734.14, 492,274.30 and 203,742.25

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Solution

The fourth proportional to 356,734.14, 492,274.30 and 203,742.25 is: 281,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,734.14 : 492,274.30 = 203,742.25 : x
  2. Step 2: Convert to fraction form
    356,734.14/492,274.30 = 203,742.25/x
  3. Step 3: Cross multiply
    356,734.14x = 492,274.30 × 203,742.25
  4. Step 4: Simplify right side
    356,734.14x = 100,297,073,499.18
  5. Step 5: Solve for x
    x = 100,297,073,499.18/356,734.14
  6. Step 6: Final answer
    x = 281,153.56

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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.