Home / 132,816.72-199,196.64-38,021.44

Finding the Fourth Proportional to 132,816.72, 199,196.64 and 38,021.44

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Solution

The fourth proportional to 132,816.72, 199,196.64 and 38,021.44 is: 57,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.72 : 199,196.64 = 38,021.44 : x
  2. Step 2: Convert to fraction form
    132,816.72/199,196.64 = 38,021.44/x
  3. Step 3: Cross multiply
    132,816.72x = 199,196.64 × 38,021.44
  4. Step 4: Simplify right side
    132,816.72x = 7,573,743,095.96
  5. Step 5: Solve for x
    x = 7,573,743,095.96/132,816.72
  6. Step 6: Final answer
    x = 57,024.02

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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.