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Finding the Fourth Proportional to 228,214.44, 314,859.44 and 131,416.21

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Solution

The fourth proportional to 228,214.44, 314,859.44 and 131,416.21 is: 181,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,214.44 : 314,859.44 = 131,416.21 : x
  2. Step 2: Convert to fraction form
    228,214.44/314,859.44 = 131,416.21/x
  3. Step 3: Cross multiply
    228,214.44x = 314,859.44 × 131,416.21
  4. Step 4: Simplify right side
    228,214.44x = 41,377,634,516.83
  5. Step 5: Solve for x
    x = 41,377,634,516.83/228,214.44
  6. Step 6: Final answer
    x = 181,310.32

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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.