Home / 264,028.16-396,132.96-77,067.20

Finding the Fourth Proportional to 264,028.16, 396,132.96 and 77,067.20

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Solution

The fourth proportional to 264,028.16, 396,132.96 and 77,067.20 is: 115,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,028.16 : 396,132.96 = 77,067.20 : x
  2. Step 2: Convert to fraction form
    264,028.16/396,132.96 = 77,067.20/x
  3. Step 3: Cross multiply
    264,028.16x = 396,132.96 × 77,067.20
  4. Step 4: Simplify right side
    264,028.16x = 30,528,858,054.91
  5. Step 5: Solve for x
    x = 30,528,858,054.91/264,028.16
  6. Step 6: Final answer
    x = 115,627.28

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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.