Home / 106,286.72-146,676-58,541.12

Finding the Fourth Proportional to 106,286.72, 146,676 and 58,541.12

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Solution

The fourth proportional to 106,286.72, 146,676 and 58,541.12 is: 80,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,286.72 : 146,676 = 58,541.12 : x
  2. Step 2: Convert to fraction form
    106,286.72/146,676 = 58,541.12/x
  3. Step 3: Cross multiply
    106,286.72x = 146,676 × 58,541.12
  4. Step 4: Simplify right side
    106,286.72x = 8,586,577,317.12
  5. Step 5: Solve for x
    x = 8,586,577,317.12/106,286.72
  6. Step 6: Final answer
    x = 80,786.93

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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.