Home / 226,249.72-339,068.40-85,931.80

Finding the Fourth Proportional to 226,249.72, 339,068.40 and 85,931.80

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Solution

The fourth proportional to 226,249.72, 339,068.40 and 85,931.80 is: 128,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,249.72 : 339,068.40 = 85,931.80 : x
  2. Step 2: Convert to fraction form
    226,249.72/339,068.40 = 85,931.80/x
  3. Step 3: Cross multiply
    226,249.72x = 339,068.40 × 85,931.80
  4. Step 4: Simplify right side
    226,249.72x = 29,136,756,765.20
  5. Step 5: Solve for x
    x = 29,136,756,765.20/226,249.72
  6. Step 6: Final answer
    x = 128,781.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.