Home / 222,840.07-307,419.78-132,199.90

Finding the Fourth Proportional to 222,840.07, 307,419.78 and 132,199.90

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Solution

The fourth proportional to 222,840.07, 307,419.78 and 132,199.90 is: 182,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,840.07 : 307,419.78 = 132,199.90 : x
  2. Step 2: Convert to fraction form
    222,840.07/307,419.78 = 132,199.90/x
  3. Step 3: Cross multiply
    222,840.07x = 307,419.78 × 132,199.90
  4. Step 4: Simplify right side
    222,840.07x = 40,640,864,174.02
  5. Step 5: Solve for x
    x = 40,640,864,174.02/222,840.07
  6. Step 6: Final answer
    x = 182,376.82

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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.