Home / 177,997.30-266,477.55-172,813.30

Finding the Fourth Proportional to 177,997.30, 266,477.55 and 172,813.30

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Solution

The fourth proportional to 177,997.30, 266,477.55 and 172,813.30 is: 258,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,997.30 : 266,477.55 = 172,813.30 : x
  2. Step 2: Convert to fraction form
    177,997.30/266,477.55 = 172,813.30/x
  3. Step 3: Cross multiply
    177,997.30x = 266,477.55 × 172,813.30
  4. Step 4: Simplify right side
    177,997.30x = 46,050,864,791.42
  5. Step 5: Solve for x
    x = 46,050,864,791.42/177,997.30
  6. Step 6: Final answer
    x = 258,716.65

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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.