Home / 331,184.32-457,043.04-187,965.76

Finding the Fourth Proportional to 331,184.32, 457,043.04 and 187,965.76

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Solution

The fourth proportional to 331,184.32, 457,043.04 and 187,965.76 is: 259,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,184.32 : 457,043.04 = 187,965.76 : x
  2. Step 2: Convert to fraction form
    331,184.32/457,043.04 = 187,965.76/x
  3. Step 3: Cross multiply
    331,184.32x = 457,043.04 × 187,965.76
  4. Step 4: Simplify right side
    331,184.32x = 85,908,442,366.31
  5. Step 5: Solve for x
    x = 85,908,442,366.31/331,184.32
  6. Step 6: Final answer
    x = 259,397.67

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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.