Home / 104,183.33-143,772.48-56,436.75

Finding the Fourth Proportional to 104,183.33, 143,772.48 and 56,436.75

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Solution

The fourth proportional to 104,183.33, 143,772.48 and 56,436.75 is: 77,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.33 : 143,772.48 = 56,436.75 : x
  2. Step 2: Convert to fraction form
    104,183.33/143,772.48 = 56,436.75/x
  3. Step 3: Cross multiply
    104,183.33x = 143,772.48 × 56,436.75
  4. Step 4: Simplify right side
    104,183.33x = 8,114,051,510.64
  5. Step 5: Solve for x
    x = 8,114,051,510.64/104,183.33
  6. Step 6: Final answer
    x = 77,882.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.