Home / 115,601.82-159,511.92-70,255.56

Finding the Fourth Proportional to 115,601.82, 159,511.92 and 70,255.56

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Solution

The fourth proportional to 115,601.82, 159,511.92 and 70,255.56 is: 96,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.82 : 159,511.92 = 70,255.56 : x
  2. Step 2: Convert to fraction form
    115,601.82/159,511.92 = 70,255.56/x
  3. Step 3: Cross multiply
    115,601.82x = 159,511.92 × 70,255.56
  4. Step 4: Simplify right side
    115,601.82x = 11,206,599,266.28
  5. Step 5: Solve for x
    x = 11,206,599,266.28/115,601.82
  6. Step 6: Final answer
    x = 96,941.37

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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.