Home / 149,052.95-205,625.21-88,589.23

Finding the Fourth Proportional to 149,052.95, 205,625.21 and 88,589.23

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Solution

The fourth proportional to 149,052.95, 205,625.21 and 88,589.23 is: 122,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,052.95 : 205,625.21 = 88,589.23 : x
  2. Step 2: Convert to fraction form
    149,052.95/205,625.21 = 88,589.23/x
  3. Step 3: Cross multiply
    149,052.95x = 205,625.21 × 88,589.23
  4. Step 4: Simplify right side
    149,052.95x = 18,216,179,115.45
  5. Step 5: Solve for x
    x = 18,216,179,115.45/149,052.95
  6. Step 6: Final answer
    x = 122,212.81

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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.