Home / 301,136.14-415,568.47-165,171.20

Finding the Fourth Proportional to 301,136.14, 415,568.47 and 165,171.20

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Solution

The fourth proportional to 301,136.14, 415,568.47 and 165,171.20 is: 227,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,136.14 : 415,568.47 = 165,171.20 : x
  2. Step 2: Convert to fraction form
    301,136.14/415,568.47 = 165,171.20/x
  3. Step 3: Cross multiply
    301,136.14x = 415,568.47 × 165,171.20
  4. Step 4: Simplify right side
    301,136.14x = 68,639,940,381.29
  5. Step 5: Solve for x
    x = 68,639,940,381.29/301,136.14
  6. Step 6: Final answer
    x = 227,936.58

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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.