Home / 104,199.96-143,796.09-56,453.30

Finding the Fourth Proportional to 104,199.96, 143,796.09 and 56,453.30

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Solution

The fourth proportional to 104,199.96, 143,796.09 and 56,453.30 is: 77,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,199.96 : 143,796.09 = 56,453.30 : x
  2. Step 2: Convert to fraction form
    104,199.96/143,796.09 = 56,453.30/x
  3. Step 3: Cross multiply
    104,199.96x = 143,796.09 × 56,453.30
  4. Step 4: Simplify right side
    104,199.96x = 8,117,763,525.33
  5. Step 5: Solve for x
    x = 8,117,763,525.33/104,199.96
  6. Step 6: Final answer
    x = 77,905.63

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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.