Home / 115,650.24-159,601.20-65,352.48

Finding the Fourth Proportional to 115,650.24, 159,601.20 and 65,352.48

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Solution

The fourth proportional to 115,650.24, 159,601.20 and 65,352.48 is: 90,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,650.24 : 159,601.20 = 65,352.48 : x
  2. Step 2: Convert to fraction form
    115,650.24/159,601.20 = 65,352.48/x
  3. Step 3: Cross multiply
    115,650.24x = 159,601.20 × 65,352.48
  4. Step 4: Simplify right side
    115,650.24x = 10,430,334,230.98
  5. Step 5: Solve for x
    x = 10,430,334,230.98/115,650.24
  6. Step 6: Final answer
    x = 90,188.61

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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.