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Finding the Fourth Proportional to 214,191.61, 295,718.82 and 137,843.39

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Solution

The fourth proportional to 214,191.61, 295,718.82 and 137,843.39 is: 190,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,191.61 : 295,718.82 = 137,843.39 : x
  2. Step 2: Convert to fraction form
    214,191.61/295,718.82 = 137,843.39/x
  3. Step 3: Cross multiply
    214,191.61x = 295,718.82 × 137,843.39
  4. Step 4: Simplify right side
    214,191.61x = 40,762,884,635.60
  5. Step 5: Solve for x
    x = 40,762,884,635.60/214,191.61
  6. Step 6: Final answer
    x = 190,310.37

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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.