Home / 295,314.05-442,956.60-82,080.54

Finding the Fourth Proportional to 295,314.05, 442,956.60 and 82,080.54

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Solution

The fourth proportional to 295,314.05, 442,956.60 and 82,080.54 is: 123,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,314.05 : 442,956.60 = 82,080.54 : x
  2. Step 2: Convert to fraction form
    295,314.05/442,956.60 = 82,080.54/x
  3. Step 3: Cross multiply
    295,314.05x = 442,956.60 × 82,080.54
  4. Step 4: Simplify right side
    295,314.05x = 36,358,116,924.56
  5. Step 5: Solve for x
    x = 36,358,116,924.56/295,314.05
  6. Step 6: Final answer
    x = 123,116.79

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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.