Home / 104,183.36-143,772.89-56,436.89

Finding the Fourth Proportional to 104,183.36, 143,772.89 and 56,436.89

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Solution

The fourth proportional to 104,183.36, 143,772.89 and 56,436.89 is: 77,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.36 : 143,772.89 = 56,436.89 : x
  2. Step 2: Convert to fraction form
    104,183.36/143,772.89 = 56,436.89/x
  3. Step 3: Cross multiply
    104,183.36x = 143,772.89 × 56,436.89
  4. Step 4: Simplify right side
    104,183.36x = 8,114,095,278.44
  5. Step 5: Solve for x
    x = 8,114,095,278.44/104,183.36
  6. Step 6: Final answer
    x = 77,882.84

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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.