Home / 356,316.24-491,723.48-195,171.28

Finding the Fourth Proportional to 356,316.24, 491,723.48 and 195,171.28

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Solution

The fourth proportional to 356,316.24, 491,723.48 and 195,171.28 is: 269,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,316.24 : 491,723.48 = 195,171.28 : x
  2. Step 2: Convert to fraction form
    356,316.24/491,723.48 = 195,171.28/x
  3. Step 3: Cross multiply
    356,316.24x = 491,723.48 × 195,171.28
  4. Step 4: Simplify right side
    356,316.24x = 95,970,300,997.65
  5. Step 5: Solve for x
    x = 95,970,300,997.65/356,316.24
  6. Step 6: Final answer
    x = 269,340.24

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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.