Home / 105,896.08-146,138.97-58,149.64

Finding the Fourth Proportional to 105,896.08, 146,138.97 and 58,149.64

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Solution

The fourth proportional to 105,896.08, 146,138.97 and 58,149.64 is: 80,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,896.08 : 146,138.97 = 58,149.64 : x
  2. Step 2: Convert to fraction form
    105,896.08/146,138.97 = 58,149.64/x
  3. Step 3: Cross multiply
    105,896.08x = 146,138.97 × 58,149.64
  4. Step 4: Simplify right side
    105,896.08x = 8,497,928,495.47
  5. Step 5: Solve for x
    x = 8,497,928,495.47/105,896.08
  6. Step 6: Final answer
    x = 80,247.81

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1.5x scale

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.