Home / 205,029.70-307,544.55-189,283.30

Finding the Fourth Proportional to 205,029.70, 307,544.55 and 189,283.30

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Solution

The fourth proportional to 205,029.70, 307,544.55 and 189,283.30 is: 283,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,029.70 : 307,544.55 = 189,283.30 : x
  2. Step 2: Convert to fraction form
    205,029.70/307,544.55 = 189,283.30/x
  3. Step 3: Cross multiply
    205,029.70x = 307,544.55 × 189,283.30
  4. Step 4: Simplify right side
    205,029.70x = 58,213,047,321.02
  5. Step 5: Solve for x
    x = 58,213,047,321.02/205,029.70
  6. Step 6: Final answer
    x = 283,924.95

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1.5x scale

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.