Home / 138,832.13-208,090.76-63,797.22

Finding the Fourth Proportional to 138,832.13, 208,090.76 and 63,797.22

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Solution

The fourth proportional to 138,832.13, 208,090.76 and 63,797.22 is: 95,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,832.13 : 208,090.76 = 63,797.22 : x
  2. Step 2: Convert to fraction form
    138,832.13/208,090.76 = 63,797.22/x
  3. Step 3: Cross multiply
    138,832.13x = 208,090.76 × 63,797.22
  4. Step 4: Simplify right side
    138,832.13x = 13,275,611,676.70
  5. Step 5: Solve for x
    x = 13,275,611,676.70/138,832.13
  6. Step 6: Final answer
    x = 95,623.49

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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.