Home / 172,588.20-238,171.23-97,136.70

Finding the Fourth Proportional to 172,588.20, 238,171.23 and 97,136.70

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Solution

The fourth proportional to 172,588.20, 238,171.23 and 97,136.70 is: 134,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,588.20 : 238,171.23 = 97,136.70 : x
  2. Step 2: Convert to fraction form
    172,588.20/238,171.23 = 97,136.70/x
  3. Step 3: Cross multiply
    172,588.20x = 238,171.23 × 97,136.70
  4. Step 4: Simplify right side
    172,588.20x = 23,135,167,317.14
  5. Step 5: Solve for x
    x = 23,135,167,317.14/172,588.20
  6. Step 6: Final answer
    x = 134,048.37

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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.