Home / 168,120.28-231,996.54-104,457.52

Finding the Fourth Proportional to 168,120.28, 231,996.54 and 104,457.52

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Solution

The fourth proportional to 168,120.28, 231,996.54 and 104,457.52 is: 144,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,120.28 : 231,996.54 = 104,457.52 : x
  2. Step 2: Convert to fraction form
    168,120.28/231,996.54 = 104,457.52/x
  3. Step 3: Cross multiply
    168,120.28x = 231,996.54 × 104,457.52
  4. Step 4: Simplify right side
    168,120.28x = 24,233,783,216.98
  5. Step 5: Solve for x
    x = 24,233,783,216.98/168,120.28
  6. Step 6: Final answer
    x = 144,145.51

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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.