Home / 384,651.86-576,977.79-148,105.94

Finding the Fourth Proportional to 384,651.86, 576,977.79 and 148,105.94

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Solution

The fourth proportional to 384,651.86, 576,977.79 and 148,105.94 is: 222,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,651.86 : 576,977.79 = 148,105.94 : x
  2. Step 2: Convert to fraction form
    384,651.86/576,977.79 = 148,105.94/x
  3. Step 3: Cross multiply
    384,651.86x = 576,977.79 × 148,105.94
  4. Step 4: Simplify right side
    384,651.86x = 85,453,837,947.07
  5. Step 5: Solve for x
    x = 85,453,837,947.07/384,651.86
  6. Step 6: Final answer
    x = 222,158.91

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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.