Home / 273,975.08-378,249.11-172,087.74

Finding the Fourth Proportional to 273,975.08, 378,249.11 and 172,087.74

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Solution

The fourth proportional to 273,975.08, 378,249.11 and 172,087.74 is: 237,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,975.08 : 378,249.11 = 172,087.74 : x
  2. Step 2: Convert to fraction form
    273,975.08/378,249.11 = 172,087.74/x
  3. Step 3: Cross multiply
    273,975.08x = 378,249.11 × 172,087.74
  4. Step 4: Simplify right side
    273,975.08x = 65,092,033,636.47
  5. Step 5: Solve for x
    x = 65,092,033,636.47/273,975.08
  6. Step 6: Final answer
    x = 237,583.78

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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.