Home / 254,566.20-382,257.30-202,409.40

Finding the Fourth Proportional to 254,566.20, 382,257.30 and 202,409.40

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Solution

The fourth proportional to 254,566.20, 382,257.30 and 202,409.40 is: 303,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,566.20 : 382,257.30 = 202,409.40 : x
  2. Step 2: Convert to fraction form
    254,566.20/382,257.30 = 202,409.40/x
  3. Step 3: Cross multiply
    254,566.20x = 382,257.30 × 202,409.40
  4. Step 4: Simplify right side
    254,566.20x = 77,372,470,738.62
  5. Step 5: Solve for x
    x = 77,372,470,738.62/254,566.20
  6. Step 6: Final answer
    x = 303,938.51

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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.