Home / 331,410.17-457,349.13-188,173.28

Finding the Fourth Proportional to 331,410.17, 457,349.13 and 188,173.28

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Solution

The fourth proportional to 331,410.17, 457,349.13 and 188,173.28 is: 259,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,410.17 : 457,349.13 = 188,173.28 : x
  2. Step 2: Convert to fraction form
    331,410.17/457,349.13 = 188,173.28/x
  3. Step 3: Cross multiply
    331,410.17x = 457,349.13 × 188,173.28
  4. Step 4: Simplify right side
    331,410.17x = 86,060,887,040.62
  5. Step 5: Solve for x
    x = 86,060,887,040.62/331,410.17
  6. Step 6: Final answer
    x = 259,680.89

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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.