Home / 318,033.56-476,977.43-189,985.92

Finding the Fourth Proportional to 318,033.56, 476,977.43 and 189,985.92

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Solution

The fourth proportional to 318,033.56, 476,977.43 and 189,985.92 is: 284,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,033.56 : 476,977.43 = 189,985.92 : x
  2. Step 2: Convert to fraction form
    318,033.56/476,977.43 = 189,985.92/x
  3. Step 3: Cross multiply
    318,033.56x = 476,977.43 × 189,985.92
  4. Step 4: Simplify right side
    318,033.56x = 90,618,994,907.86
  5. Step 5: Solve for x
    x = 90,618,994,907.86/318,033.56
  6. Step 6: Final answer
    x = 284,935.33

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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.