Home / 136,381.62-188,280.27-95,670.48

Finding the Fourth Proportional to 136,381.62, 188,280.27 and 95,670.48

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Solution

The fourth proportional to 136,381.62, 188,280.27 and 95,670.48 is: 132,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,381.62 : 188,280.27 = 95,670.48 : x
  2. Step 2: Convert to fraction form
    136,381.62/188,280.27 = 95,670.48/x
  3. Step 3: Cross multiply
    136,381.62x = 188,280.27 × 95,670.48
  4. Step 4: Simplify right side
    136,381.62x = 18,012,863,805.43
  5. Step 5: Solve for x
    x = 18,012,863,805.43/136,381.62
  6. Step 6: Final answer
    x = 132,076.92

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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.