Home / 317,253.12-475,245.20-190,823.56

Finding the Fourth Proportional to 317,253.12, 475,245.20 and 190,823.56

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Solution

The fourth proportional to 317,253.12, 475,245.20 and 190,823.56 is: 285,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,253.12 : 475,245.20 = 190,823.56 : x
  2. Step 2: Convert to fraction form
    317,253.12/475,245.20 = 190,823.56/x
  3. Step 3: Cross multiply
    317,253.12x = 475,245.20 × 190,823.56
  4. Step 4: Simplify right side
    317,253.12x = 90,687,980,936.91
  5. Step 5: Solve for x
    x = 90,687,980,936.91/317,253.12
  6. Step 6: Final answer
    x = 285,853.71

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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.