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Finding the Fourth Proportional to 218,188.49, 301,094.06 and 132,198.39

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Solution

The fourth proportional to 218,188.49, 301,094.06 and 132,198.39 is: 182,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,188.49 : 301,094.06 = 132,198.39 : x
  2. Step 2: Convert to fraction form
    218,188.49/301,094.06 = 132,198.39/x
  3. Step 3: Cross multiply
    218,188.49x = 301,094.06 × 132,198.39
  4. Step 4: Simplify right side
    218,188.49x = 39,804,149,309.57
  5. Step 5: Solve for x
    x = 39,804,149,309.57/218,188.49
  6. Step 6: Final answer
    x = 182,430.11

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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.