Home / 140,278.22-193,583.94-76,616.17

Finding the Fourth Proportional to 140,278.22, 193,583.94 and 76,616.17

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Solution

The fourth proportional to 140,278.22, 193,583.94 and 76,616.17 is: 105,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,278.22 : 193,583.94 = 76,616.17 : x
  2. Step 2: Convert to fraction form
    140,278.22/193,583.94 = 76,616.17/x
  3. Step 3: Cross multiply
    140,278.22x = 193,583.94 × 76,616.17
  4. Step 4: Simplify right side
    140,278.22x = 14,831,659,716.01
  5. Step 5: Solve for x
    x = 14,831,659,716.01/140,278.22
  6. Step 6: Final answer
    x = 105,730.31

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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.