Home / 285,228.36-393,620.94-170,625.24

Finding the Fourth Proportional to 285,228.36, 393,620.94 and 170,625.24

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Solution

The fourth proportional to 285,228.36, 393,620.94 and 170,625.24 is: 235,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,228.36 : 393,620.94 = 170,625.24 : x
  2. Step 2: Convert to fraction form
    285,228.36/393,620.94 = 170,625.24/x
  3. Step 3: Cross multiply
    285,228.36x = 393,620.94 × 170,625.24
  4. Step 4: Simplify right side
    285,228.36x = 67,161,667,356.53
  5. Step 5: Solve for x
    x = 67,161,667,356.53/285,228.36
  6. Step 6: Final answer
    x = 235,466.30

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1.5x scale

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.