Home / 154,190.57-231,487.29-123,811.93

Finding the Fourth Proportional to 154,190.57, 231,487.29 and 123,811.93

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Solution

The fourth proportional to 154,190.57, 231,487.29 and 123,811.93 is: 185,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,190.57 : 231,487.29 = 123,811.93 : x
  2. Step 2: Convert to fraction form
    154,190.57/231,487.29 = 123,811.93/x
  3. Step 3: Cross multiply
    154,190.57x = 231,487.29 × 123,811.93
  4. Step 4: Simplify right side
    154,190.57x = 28,660,887,102.36
  5. Step 5: Solve for x
    x = 28,660,887,102.36/154,190.57
  6. Step 6: Final answer
    x = 185,879.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.