Home / 114,545.44-158,076.72-66,791.20

Finding the Fourth Proportional to 114,545.44, 158,076.72 and 66,791.20

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Solution

The fourth proportional to 114,545.44, 158,076.72 and 66,791.20 is: 92,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,545.44 : 158,076.72 = 66,791.20 : x
  2. Step 2: Convert to fraction form
    114,545.44/158,076.72 = 66,791.20/x
  3. Step 3: Cross multiply
    114,545.44x = 158,076.72 × 66,791.20
  4. Step 4: Simplify right side
    114,545.44x = 10,558,133,820.86
  5. Step 5: Solve for x
    x = 10,558,133,820.86/114,545.44
  6. Step 6: Final answer
    x = 92,174.20

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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.