Home / 138,827.28-208,240.93-33,646.25

Finding the Fourth Proportional to 138,827.28, 208,240.93 and 33,646.25

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Solution

The fourth proportional to 138,827.28, 208,240.93 and 33,646.25 is: 50,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,827.28 : 208,240.93 = 33,646.25 : x
  2. Step 2: Convert to fraction form
    138,827.28/208,240.93 = 33,646.25/x
  3. Step 3: Cross multiply
    138,827.28x = 208,240.93 × 33,646.25
  4. Step 4: Simplify right side
    138,827.28x = 7,006,525,593.06
  5. Step 5: Solve for x
    x = 7,006,525,593.06/138,827.28
  6. Step 6: Final answer
    x = 50,469.37

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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.