Home / 212,245.82-292,906.95-116,759.78

Finding the Fourth Proportional to 212,245.82, 292,906.95 and 116,759.78

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Solution

The fourth proportional to 212,245.82, 292,906.95 and 116,759.78 is: 161,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,245.82 : 292,906.95 = 116,759.78 : x
  2. Step 2: Convert to fraction form
    212,245.82/292,906.95 = 116,759.78/x
  3. Step 3: Cross multiply
    212,245.82x = 292,906.95 × 116,759.78
  4. Step 4: Simplify right side
    212,245.82x = 34,199,751,042.47
  5. Step 5: Solve for x
    x = 34,199,751,042.47/212,245.82
  6. Step 6: Final answer
    x = 161,132.74

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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.