Home / 154,004.70-231,093.45-65,243.10

Finding the Fourth Proportional to 154,004.70, 231,093.45 and 65,243.10

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Solution

The fourth proportional to 154,004.70, 231,093.45 and 65,243.10 is: 97,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,004.70 : 231,093.45 = 65,243.10 : x
  2. Step 2: Convert to fraction form
    154,004.70/231,093.45 = 65,243.10/x
  3. Step 3: Cross multiply
    154,004.70x = 231,093.45 × 65,243.10
  4. Step 4: Simplify right side
    154,004.70x = 15,077,253,067.70
  5. Step 5: Solve for x
    x = 15,077,253,067.70/154,004.70
  6. Step 6: Final answer
    x = 97,901.25

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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.