Home / 114,905.45-158,504.75-68,953.20

Finding the Fourth Proportional to 114,905.45, 158,504.75 and 68,953.20

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Solution

The fourth proportional to 114,905.45, 158,504.75 and 68,953.20 is: 95,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,905.45 : 158,504.75 = 68,953.20 : x
  2. Step 2: Convert to fraction form
    114,905.45/158,504.75 = 68,953.20/x
  3. Step 3: Cross multiply
    114,905.45x = 158,504.75 × 68,953.20
  4. Step 4: Simplify right side
    114,905.45x = 10,929,409,727.70
  5. Step 5: Solve for x
    x = 10,929,409,727.70/114,905.45
  6. Step 6: Final answer
    x = 95,116.55

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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.