Home / 104,191.25-156,226.52-91,736.28

Finding the Fourth Proportional to 104,191.25, 156,226.52 and 91,736.28

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Solution

The fourth proportional to 104,191.25, 156,226.52 and 91,736.28 is: 137,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,191.25 : 156,226.52 = 91,736.28 : x
  2. Step 2: Convert to fraction form
    104,191.25/156,226.52 = 91,736.28/x
  3. Step 3: Cross multiply
    104,191.25x = 156,226.52 × 91,736.28
  4. Step 4: Simplify right side
    104,191.25x = 14,331,639,323.46
  5. Step 5: Solve for x
    x = 14,331,639,323.46/104,191.25
  6. Step 6: Final answer
    x = 137,551.28

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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.