Home / 132,399.10-198,683.70-73,277.20

Finding the Fourth Proportional to 132,399.10, 198,683.70 and 73,277.20

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Solution

The fourth proportional to 132,399.10, 198,683.70 and 73,277.20 is: 109,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.10 : 198,683.70 = 73,277.20 : x
  2. Step 2: Convert to fraction form
    132,399.10/198,683.70 = 73,277.20/x
  3. Step 3: Cross multiply
    132,399.10x = 198,683.70 × 73,277.20
  4. Step 4: Simplify right side
    132,399.10x = 14,558,985,221.64
  5. Step 5: Solve for x
    x = 14,558,985,221.64/132,399.10
  6. Step 6: Final answer
    x = 109,962.87

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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.