Home / 104,896.40-157,344.75-80,077.37

Finding the Fourth Proportional to 104,896.40, 157,344.75 and 80,077.37

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Solution

The fourth proportional to 104,896.40, 157,344.75 and 80,077.37 is: 120,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,896.40 : 157,344.75 = 80,077.37 : x
  2. Step 2: Convert to fraction form
    104,896.40/157,344.75 = 80,077.37/x
  3. Step 3: Cross multiply
    104,896.40x = 157,344.75 × 80,077.37
  4. Step 4: Simplify right side
    104,896.40x = 12,599,752,976.58
  5. Step 5: Solve for x
    x = 12,599,752,976.58/104,896.40
  6. Step 6: Final answer
    x = 120,116.17

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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.