Home / 171,861.21-237,196.97-100,241.23

Finding the Fourth Proportional to 171,861.21, 237,196.97 and 100,241.23

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Solution

The fourth proportional to 171,861.21, 237,196.97 and 100,241.23 is: 138,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,861.21 : 237,196.97 = 100,241.23 : x
  2. Step 2: Convert to fraction form
    171,861.21/237,196.97 = 100,241.23/x
  3. Step 3: Cross multiply
    171,861.21x = 237,196.97 × 100,241.23
  4. Step 4: Simplify right side
    171,861.21x = 23,776,916,315.38
  5. Step 5: Solve for x
    x = 23,776,916,315.38/171,861.21
  6. Step 6: Final answer
    x = 138,349.52

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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.