Home / 105,856.05-146,083.01-58,113.75

Finding the Fourth Proportional to 105,856.05, 146,083.01 and 58,113.75

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Solution

The fourth proportional to 105,856.05, 146,083.01 and 58,113.75 is: 80,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,856.05 : 146,083.01 = 58,113.75 : x
  2. Step 2: Convert to fraction form
    105,856.05/146,083.01 = 58,113.75/x
  3. Step 3: Cross multiply
    105,856.05x = 146,083.01 × 58,113.75
  4. Step 4: Simplify right side
    105,856.05x = 8,489,431,231.82
  5. Step 5: Solve for x
    x = 8,489,431,231.82/105,856.05
  6. Step 6: Final answer
    x = 80,197.88

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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.