Home / 105,995.40-146,266.58-58,247.72

Finding the Fourth Proportional to 105,995.40, 146,266.58 and 58,247.72

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Solution

The fourth proportional to 105,995.40, 146,266.58 and 58,247.72 is: 80,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,995.40 : 146,266.58 = 58,247.72 : x
  2. Step 2: Convert to fraction form
    105,995.40/146,266.58 = 58,247.72/x
  3. Step 3: Cross multiply
    105,995.40x = 146,266.58 × 58,247.72
  4. Step 4: Simplify right side
    105,995.40x = 8,519,694,797.20
  5. Step 5: Solve for x
    x = 8,519,694,797.20/105,995.40
  6. Step 6: Final answer
    x = 80,377.97

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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.