Home / 291,729.39-437,344.49-111,943.83

Finding the Fourth Proportional to 291,729.39, 437,344.49 and 111,943.83

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Solution

The fourth proportional to 291,729.39, 437,344.49 and 111,943.83 is: 167,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,729.39 : 437,344.49 = 111,943.83 : x
  2. Step 2: Convert to fraction form
    291,729.39/437,344.49 = 111,943.83/x
  3. Step 3: Cross multiply
    291,729.39x = 437,344.49 × 111,943.83
  4. Step 4: Simplify right side
    291,729.39x = 48,958,016,680.28
  5. Step 5: Solve for x
    x = 48,958,016,680.28/291,729.39
  6. Step 6: Final answer
    x = 167,819.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.