Home / 358,136.19-494,217.63-196,991.24

Finding the Fourth Proportional to 358,136.19, 494,217.63 and 196,991.24

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Solution

The fourth proportional to 358,136.19, 494,217.63 and 196,991.24 is: 271,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,136.19 : 494,217.63 = 196,991.24 : x
  2. Step 2: Convert to fraction form
    358,136.19/494,217.63 = 196,991.24/x
  3. Step 3: Cross multiply
    358,136.19x = 494,217.63 × 196,991.24
  4. Step 4: Simplify right side
    358,136.19x = 97,356,541,292.47
  5. Step 5: Solve for x
    x = 97,356,541,292.47/358,136.19
  6. Step 6: Final answer
    x = 271,842.23

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Double scale
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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.