Home / 105,923.61-146,175.54-58,178.01

Finding the Fourth Proportional to 105,923.61, 146,175.54 and 58,178.01

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Solution

The fourth proportional to 105,923.61, 146,175.54 and 58,178.01 is: 80,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.61 : 146,175.54 = 58,178.01 : x
  2. Step 2: Convert to fraction form
    105,923.61/146,175.54 = 58,178.01/x
  3. Step 3: Cross multiply
    105,923.61x = 146,175.54 × 58,178.01
  4. Step 4: Simplify right side
    105,923.61x = 8,504,202,027.88
  5. Step 5: Solve for x
    x = 8,504,202,027.88/105,923.61
  6. Step 6: Final answer
    x = 80,286.18

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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.