Home / 327,657.63-491,677.53-138,106.41

Finding the Fourth Proportional to 327,657.63, 491,677.53 and 138,106.41

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Solution

The fourth proportional to 327,657.63, 491,677.53 and 138,106.41 is: 207,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,657.63 : 491,677.53 = 138,106.41 : x
  2. Step 2: Convert to fraction form
    327,657.63/491,677.53 = 138,106.41/x
  3. Step 3: Cross multiply
    327,657.63x = 491,677.53 × 138,106.41
  4. Step 4: Simplify right side
    327,657.63x = 67,903,818,545.97
  5. Step 5: Solve for x
    x = 67,903,818,545.97/327,657.63
  6. Step 6: Final answer
    x = 207,240.16

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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.