Home / 331,818.11-457,947.88-188,599.69

Finding the Fourth Proportional to 331,818.11, 457,947.88 and 188,599.69

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Solution

The fourth proportional to 331,818.11, 457,947.88 and 188,599.69 is: 260,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,818.11 : 457,947.88 = 188,599.69 : x
  2. Step 2: Convert to fraction form
    331,818.11/457,947.88 = 188,599.69/x
  3. Step 3: Cross multiply
    331,818.11x = 457,947.88 × 188,599.69
  4. Step 4: Simplify right side
    331,818.11x = 86,368,825,375.51
  5. Step 5: Solve for x
    x = 86,368,825,375.51/331,818.11
  6. Step 6: Final answer
    x = 260,289.66

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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.