Home / 331,496.40-457,449.12-188,237.52

Finding the Fourth Proportional to 331,496.40, 457,449.12 and 188,237.52

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Solution

The fourth proportional to 331,496.40, 457,449.12 and 188,237.52 is: 259,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,496.40 : 457,449.12 = 188,237.52 : x
  2. Step 2: Convert to fraction form
    331,496.40/457,449.12 = 188,237.52/x
  3. Step 3: Cross multiply
    331,496.40x = 457,449.12 × 188,237.52
  4. Step 4: Simplify right side
    331,496.40x = 86,109,087,874.98
  5. Step 5: Solve for x
    x = 86,109,087,874.98/331,496.40
  6. Step 6: Final answer
    x = 259,758.74

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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.