Home / 345,968.46-518,777.73-177,452.82

Finding the Fourth Proportional to 345,968.46, 518,777.73 and 177,452.82

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Solution

The fourth proportional to 345,968.46, 518,777.73 and 177,452.82 is: 266,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,968.46 : 518,777.73 = 177,452.82 : x
  2. Step 2: Convert to fraction form
    345,968.46/518,777.73 = 177,452.82/x
  3. Step 3: Cross multiply
    345,968.46x = 518,777.73 × 177,452.82
  4. Step 4: Simplify right side
    345,968.46x = 92,058,571,141.70
  5. Step 5: Solve for x
    x = 92,058,571,141.70/345,968.46
  6. Step 6: Final answer
    x = 266,089.49

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1.5x scale

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.