Home / 316,786.20-475,259.79-92,146.62

Finding the Fourth Proportional to 316,786.20, 475,259.79 and 92,146.62

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Solution

The fourth proportional to 316,786.20, 475,259.79 and 92,146.62 is: 138,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,786.20 : 475,259.79 = 92,146.62 : x
  2. Step 2: Convert to fraction form
    316,786.20/475,259.79 = 92,146.62/x
  3. Step 3: Cross multiply
    316,786.20x = 475,259.79 × 92,146.62
  4. Step 4: Simplify right side
    316,786.20x = 43,793,583,270.41
  5. Step 5: Solve for x
    x = 43,793,583,270.41/316,786.20
  6. Step 6: Final answer
    x = 138,243.34

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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.