Home / 105,979.22-146,251.96-58,231.34

Finding the Fourth Proportional to 105,979.22, 146,251.96 and 58,231.34

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Solution

The fourth proportional to 105,979.22, 146,251.96 and 58,231.34 is: 80,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979.22 : 146,251.96 = 58,231.34 : x
  2. Step 2: Convert to fraction form
    105,979.22/146,251.96 = 58,231.34/x
  3. Step 3: Cross multiply
    105,979.22x = 146,251.96 × 58,231.34
  4. Step 4: Simplify right side
    105,979.22x = 8,516,447,608.43
  5. Step 5: Solve for x
    x = 8,516,447,608.43/105,979.22
  6. Step 6: Final answer
    x = 80,359.60

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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.