Home / 132,723.21-198,906.59-65,152.08

Finding the Fourth Proportional to 132,723.21, 198,906.59 and 65,152.08

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Solution

The fourth proportional to 132,723.21, 198,906.59 and 65,152.08 is: 97,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,723.21 : 198,906.59 = 65,152.08 : x
  2. Step 2: Convert to fraction form
    132,723.21/198,906.59 = 65,152.08/x
  3. Step 3: Cross multiply
    132,723.21x = 198,906.59 × 65,152.08
  4. Step 4: Simplify right side
    132,723.21x = 12,959,177,860.61
  5. Step 5: Solve for x
    x = 12,959,177,860.61/132,723.21
  6. Step 6: Final answer
    x = 97,640.63

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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.