Home / 331,691.12-457,746.00-188,475.43

Finding the Fourth Proportional to 331,691.12, 457,746.00 and 188,475.43

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Solution

The fourth proportional to 331,691.12, 457,746.00 and 188,475.43 is: 260,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,691.12 : 457,746.00 = 188,475.43 : x
  2. Step 2: Convert to fraction form
    331,691.12/457,746.00 = 188,475.43/x
  3. Step 3: Cross multiply
    331,691.12x = 457,746.00 × 188,475.43
  4. Step 4: Simplify right side
    331,691.12x = 86,273,872,329.63
  5. Step 5: Solve for x
    x = 86,273,872,329.63/331,691.12
  6. Step 6: Final answer
    x = 260,103.05

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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.