Home / 117,227.40-161,773.74-63,512.46

Finding the Fourth Proportional to 117,227.40, 161,773.74 and 63,512.46

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Solution

The fourth proportional to 117,227.40, 161,773.74 and 63,512.46 is: 87,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,227.40 : 161,773.74 = 63,512.46 : x
  2. Step 2: Convert to fraction form
    117,227.40/161,773.74 = 63,512.46/x
  3. Step 3: Cross multiply
    117,227.40x = 161,773.74 × 63,512.46
  4. Step 4: Simplify right side
    117,227.40x = 10,274,648,190.80
  5. Step 5: Solve for x
    x = 10,274,648,190.80/117,227.40
  6. Step 6: Final answer
    x = 87,647.16

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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.