Home / 331,453.64-457,391.25-193,645.35

Finding the Fourth Proportional to 331,453.64, 457,391.25 and 193,645.35

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Solution

The fourth proportional to 331,453.64, 457,391.25 and 193,645.35 is: 267,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,453.64 : 457,391.25 = 193,645.35 : x
  2. Step 2: Convert to fraction form
    331,453.64/457,391.25 = 193,645.35/x
  3. Step 3: Cross multiply
    331,453.64x = 457,391.25 × 193,645.35
  4. Step 4: Simplify right side
    331,453.64x = 88,571,688,693.19
  5. Step 5: Solve for x
    x = 88,571,688,693.19/331,453.64
  6. Step 6: Final answer
    x = 267,221.95

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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.