Home / 194,815.80-292,230.99-54,570.78

Finding the Fourth Proportional to 194,815.80, 292,230.99 and 54,570.78

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Solution

The fourth proportional to 194,815.80, 292,230.99 and 54,570.78 is: 81,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,815.80 : 292,230.99 = 54,570.78 : x
  2. Step 2: Convert to fraction form
    194,815.80/292,230.99 = 54,570.78/x
  3. Step 3: Cross multiply
    194,815.80x = 292,230.99 × 54,570.78
  4. Step 4: Simplify right side
    194,815.80x = 15,947,273,064.47
  5. Step 5: Solve for x
    x = 15,947,273,064.47/194,815.80
  6. Step 6: Final answer
    x = 81,858.21

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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.