Home / 223,022.78-307,631.46-132,314.54

Finding the Fourth Proportional to 223,022.78, 307,631.46 and 132,314.54

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Solution

The fourth proportional to 223,022.78, 307,631.46 and 132,314.54 is: 182,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,022.78 : 307,631.46 = 132,314.54 : x
  2. Step 2: Convert to fraction form
    223,022.78/307,631.46 = 132,314.54/x
  3. Step 3: Cross multiply
    223,022.78x = 307,631.46 × 132,314.54
  4. Step 4: Simplify right side
    223,022.78x = 40,704,115,119.43
  5. Step 5: Solve for x
    x = 40,704,115,119.43/223,022.78
  6. Step 6: Final answer
    x = 182,511.02

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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.