Home / 159,040.37-219,480.46-91,079.35

Finding the Fourth Proportional to 159,040.37, 219,480.46 and 91,079.35

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Solution

The fourth proportional to 159,040.37, 219,480.46 and 91,079.35 is: 125,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,040.37 : 219,480.46 = 91,079.35 : x
  2. Step 2: Convert to fraction form
    159,040.37/219,480.46 = 91,079.35/x
  3. Step 3: Cross multiply
    159,040.37x = 219,480.46 × 91,079.35
  4. Step 4: Simplify right side
    159,040.37x = 19,990,137,634.50
  5. Step 5: Solve for x
    x = 19,990,137,634.50/159,040.37
  6. Step 6: Final answer
    x = 125,692.22

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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.