Home / 432,136.06-648,179.57-132,615.88

Finding the Fourth Proportional to 432,136.06, 648,179.57 and 132,615.88

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Solution

The fourth proportional to 432,136.06, 648,179.57 and 132,615.88 is: 198,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,136.06 : 648,179.57 = 132,615.88 : x
  2. Step 2: Convert to fraction form
    432,136.06/648,179.57 = 132,615.88/x
  3. Step 3: Cross multiply
    432,136.06x = 648,179.57 × 132,615.88
  4. Step 4: Simplify right side
    432,136.06x = 85,958,902,784.66
  5. Step 5: Solve for x
    x = 85,958,902,784.66/432,136.06
  6. Step 6: Final answer
    x = 198,916.29

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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.