Home / 104,155.29-143,734.73-58,833.78

Finding the Fourth Proportional to 104,155.29, 143,734.73 and 58,833.78

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Solution

The fourth proportional to 104,155.29, 143,734.73 and 58,833.78 is: 81,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,155.29 : 143,734.73 = 58,833.78 : x
  2. Step 2: Convert to fraction form
    104,155.29/143,734.73 = 58,833.78/x
  3. Step 3: Cross multiply
    104,155.29x = 143,734.73 × 58,833.78
  4. Step 4: Simplify right side
    104,155.29x = 8,456,457,189.01
  5. Step 5: Solve for x
    x = 8,456,457,189.01/104,155.29
  6. Step 6: Final answer
    x = 81,190.86

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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.