Home / 154,375.73-231,531.20-43,541.81

Finding the Fourth Proportional to 154,375.73, 231,531.20 and 43,541.81

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Solution

The fourth proportional to 154,375.73, 231,531.20 and 43,541.81 is: 65,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,375.73 : 231,531.20 = 43,541.81 : x
  2. Step 2: Convert to fraction form
    154,375.73/231,531.20 = 43,541.81/x
  3. Step 3: Cross multiply
    154,375.73x = 231,531.20 × 43,541.81
  4. Step 4: Simplify right side
    154,375.73x = 10,081,288,043.87
  5. Step 5: Solve for x
    x = 10,081,288,043.87/154,375.73
  6. Step 6: Final answer
    x = 65,303.58

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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.