Home / 331,426.88-457,370.40-180,522.56

Finding the Fourth Proportional to 331,426.88, 457,370.40 and 180,522.56

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Solution

The fourth proportional to 331,426.88, 457,370.40 and 180,522.56 is: 249,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,426.88 : 457,370.40 = 180,522.56 : x
  2. Step 2: Convert to fraction form
    331,426.88/457,370.40 = 180,522.56/x
  3. Step 3: Cross multiply
    331,426.88x = 457,370.40 × 180,522.56
  4. Step 4: Simplify right side
    331,426.88x = 82,565,675,476.22
  5. Step 5: Solve for x
    x = 82,565,675,476.22/331,426.88
  6. Step 6: Final answer
    x = 249,121.84

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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.