Home / 154,584.40-231,741.60-59,879.20

Finding the Fourth Proportional to 154,584.40, 231,741.60 and 59,879.20

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Solution

The fourth proportional to 154,584.40, 231,741.60 and 59,879.20 is: 89,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,584.40 : 231,741.60 = 59,879.20 : x
  2. Step 2: Convert to fraction form
    154,584.40/231,741.60 = 59,879.20/x
  3. Step 3: Cross multiply
    154,584.40x = 231,741.60 × 59,879.20
  4. Step 4: Simplify right side
    154,584.40x = 13,876,501,614.72
  5. Step 5: Solve for x
    x = 13,876,501,614.72/154,584.40
  6. Step 6: Final answer
    x = 89,766.51

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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.