Home / 132,683.04-198,997.20-43,915.68

Finding the Fourth Proportional to 132,683.04, 198,997.20 and 43,915.68

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Solution

The fourth proportional to 132,683.04, 198,997.20 and 43,915.68 is: 65,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.04 : 198,997.20 = 43,915.68 : x
  2. Step 2: Convert to fraction form
    132,683.04/198,997.20 = 43,915.68/x
  3. Step 3: Cross multiply
    132,683.04x = 198,997.20 × 43,915.68
  4. Step 4: Simplify right side
    132,683.04x = 8,739,097,356.10
  5. Step 5: Solve for x
    x = 8,739,097,356.10/132,683.04
  6. Step 6: Final answer
    x = 65,864.46

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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.