Home / 268,720.77-403,150.41-192,907.20

Finding the Fourth Proportional to 268,720.77, 403,150.41 and 192,907.20

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Solution

The fourth proportional to 268,720.77, 403,150.41 and 192,907.20 is: 289,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,720.77 : 403,150.41 = 192,907.20 : x
  2. Step 2: Convert to fraction form
    268,720.77/403,150.41 = 192,907.20/x
  3. Step 3: Cross multiply
    268,720.77x = 403,150.41 × 192,907.20
  4. Step 4: Simplify right side
    268,720.77x = 77,770,615,807.42
  5. Step 5: Solve for x
    x = 77,770,615,807.42/268,720.77
  6. Step 6: Final answer
    x = 289,410.51

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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.