Home / 146,947.01-202,789.09-82,430.54

Finding the Fourth Proportional to 146,947.01, 202,789.09 and 82,430.54

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Solution

The fourth proportional to 146,947.01, 202,789.09 and 82,430.54 is: 113,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,947.01 : 202,789.09 = 82,430.54 : x
  2. Step 2: Convert to fraction form
    146,947.01/202,789.09 = 82,430.54/x
  3. Step 3: Cross multiply
    146,947.01x = 202,789.09 × 82,430.54
  4. Step 4: Simplify right side
    146,947.01x = 16,716,014,194.81
  5. Step 5: Solve for x
    x = 16,716,014,194.81/146,947.01
  6. Step 6: Final answer
    x = 113,755.39

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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.