Home / 163,028.24-224,976.09-91,408.04

Finding the Fourth Proportional to 163,028.24, 224,976.09 and 91,408.04

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Solution

The fourth proportional to 163,028.24, 224,976.09 and 91,408.04 is: 126,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,028.24 : 224,976.09 = 91,408.04 : x
  2. Step 2: Convert to fraction form
    163,028.24/224,976.09 = 91,408.04/x
  3. Step 3: Cross multiply
    163,028.24x = 224,976.09 × 91,408.04
  4. Step 4: Simplify right side
    163,028.24x = 20,564,623,433.76
  5. Step 5: Solve for x
    x = 20,564,623,433.76/163,028.24
  6. Step 6: Final answer
    x = 126,141.48

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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.