Home / 104,910.28-144,777.90-57,165.64

Finding the Fourth Proportional to 104,910.28, 144,777.90 and 57,165.64

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Solution

The fourth proportional to 104,910.28, 144,777.90 and 57,165.64 is: 78,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,910.28 : 144,777.90 = 57,165.64 : x
  2. Step 2: Convert to fraction form
    104,910.28/144,777.90 = 57,165.64/x
  3. Step 3: Cross multiply
    104,910.28x = 144,777.90 × 57,165.64
  4. Step 4: Simplify right side
    104,910.28x = 8,276,321,311.36
  5. Step 5: Solve for x
    x = 8,276,321,311.36/104,910.28
  6. Step 6: Final answer
    x = 78,889.52

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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.