Home / 172,936.35-238,615.88-104,989.10

Finding the Fourth Proportional to 172,936.35, 238,615.88 and 104,989.10

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Solution

The fourth proportional to 172,936.35, 238,615.88 and 104,989.10 is: 144,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,936.35 : 238,615.88 = 104,989.10 : x
  2. Step 2: Convert to fraction form
    172,936.35/238,615.88 = 104,989.10/x
  3. Step 3: Cross multiply
    172,936.35x = 238,615.88 × 104,989.10
  4. Step 4: Simplify right side
    172,936.35x = 25,052,064,768.88
  5. Step 5: Solve for x
    x = 25,052,064,768.88/172,936.35
  6. Step 6: Final answer
    x = 144,862.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.