Home / 356,331.04-491,743.20-195,183.52

Finding the Fourth Proportional to 356,331.04, 491,743.20 and 195,183.52

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Solution

The fourth proportional to 356,331.04, 491,743.20 and 195,183.52 is: 269,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,331.04 : 491,743.20 = 195,183.52 : x
  2. Step 2: Convert to fraction form
    356,331.04/491,743.20 = 195,183.52/x
  3. Step 3: Cross multiply
    356,331.04x = 491,743.20 × 195,183.52
  4. Step 4: Simplify right side
    356,331.04x = 95,980,168,712.06
  5. Step 5: Solve for x
    x = 95,980,168,712.06/356,331.04
  6. Step 6: Final answer
    x = 269,356.74

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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.