Home / 330,531.44-495,829.92-105,835.44

Finding the Fourth Proportional to 330,531.44, 495,829.92 and 105,835.44

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Solution

The fourth proportional to 330,531.44, 495,829.92 and 105,835.44 is: 158,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,531.44 : 495,829.92 = 105,835.44 : x
  2. Step 2: Convert to fraction form
    330,531.44/495,829.92 = 105,835.44/x
  3. Step 3: Cross multiply
    330,531.44x = 495,829.92 × 105,835.44
  4. Step 4: Simplify right side
    330,531.44x = 52,476,377,748.36
  5. Step 5: Solve for x
    x = 52,476,377,748.36/330,531.44
  6. Step 6: Final answer
    x = 158,763.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.