Home / 162,976.56-224,918.40-91,361.28

Finding the Fourth Proportional to 162,976.56, 224,918.40 and 91,361.28

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Solution

The fourth proportional to 162,976.56, 224,918.40 and 91,361.28 is: 126,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,976.56 : 224,918.40 = 91,361.28 : x
  2. Step 2: Convert to fraction form
    162,976.56/224,918.40 = 91,361.28/x
  3. Step 3: Cross multiply
    162,976.56x = 224,918.40 × 91,361.28
  4. Step 4: Simplify right side
    162,976.56x = 20,548,832,919.55
  5. Step 5: Solve for x
    x = 20,548,832,919.55/162,976.56
  6. Step 6: Final answer
    x = 126,084.59

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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.