Home / 222,711.51-307,354.46-132,121.11

Finding the Fourth Proportional to 222,711.51, 307,354.46 and 132,121.11

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Solution

The fourth proportional to 222,711.51, 307,354.46 and 132,121.11 is: 182,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,711.51 : 307,354.46 = 132,121.11 : x
  2. Step 2: Convert to fraction form
    222,711.51/307,354.46 = 132,121.11/x
  3. Step 3: Cross multiply
    222,711.51x = 307,354.46 × 132,121.11
  4. Step 4: Simplify right side
    222,711.51x = 40,608,011,758.05
  5. Step 5: Solve for x
    x = 40,608,011,758.05/222,711.51
  6. Step 6: Final answer
    x = 182,334.59

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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.