Home / 378,945.45-567,925.85-154,043.93

Finding the Fourth Proportional to 378,945.45, 567,925.85 and 154,043.93

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Solution

The fourth proportional to 378,945.45, 567,925.85 and 154,043.93 is: 230,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,945.45 : 567,925.85 = 154,043.93 : x
  2. Step 2: Convert to fraction form
    378,945.45/567,925.85 = 154,043.93/x
  3. Step 3: Cross multiply
    378,945.45x = 567,925.85 × 154,043.93
  4. Step 4: Simplify right side
    378,945.45x = 87,485,527,042.96
  5. Step 5: Solve for x
    x = 87,485,527,042.96/378,945.45
  6. Step 6: Final answer
    x = 230,865.76

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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.