Home / 316,190.43-474,286.46-129,201.93

Finding the Fourth Proportional to 316,190.43, 474,286.46 and 129,201.93

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Solution

The fourth proportional to 316,190.43, 474,286.46 and 129,201.93 is: 193,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,190.43 : 474,286.46 = 129,201.93 : x
  2. Step 2: Convert to fraction form
    316,190.43/474,286.46 = 129,201.93/x
  3. Step 3: Cross multiply
    316,190.43x = 474,286.46 × 129,201.93
  4. Step 4: Simplify right side
    316,190.43x = 61,278,725,358.86
  5. Step 5: Solve for x
    x = 61,278,725,358.86/316,190.43
  6. Step 6: Final answer
    x = 193,803.23

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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.