Home / 138,795.50-208,192.56-33,614.46

Finding the Fourth Proportional to 138,795.50, 208,192.56 and 33,614.46

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Solution

The fourth proportional to 138,795.50, 208,192.56 and 33,614.46 is: 50,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,795.50 : 208,192.56 = 33,614.46 : x
  2. Step 2: Convert to fraction form
    138,795.50/208,192.56 = 33,614.46/x
  3. Step 3: Cross multiply
    138,795.50x = 208,192.56 × 33,614.46
  4. Step 4: Simplify right side
    138,795.50x = 6,998,280,480.42
  5. Step 5: Solve for x
    x = 6,998,280,480.42/138,795.50
  6. Step 6: Final answer
    x = 50,421.52

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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.