Home / 168,900.56-233,079.18-92,419.36

Finding the Fourth Proportional to 168,900.56, 233,079.18 and 92,419.36

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Solution

The fourth proportional to 168,900.56, 233,079.18 and 92,419.36 is: 127,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,900.56 : 233,079.18 = 92,419.36 : x
  2. Step 2: Convert to fraction form
    168,900.56/233,079.18 = 92,419.36/x
  3. Step 3: Cross multiply
    168,900.56x = 233,079.18 × 92,419.36
  4. Step 4: Simplify right side
    168,900.56x = 21,541,028,644.92
  5. Step 5: Solve for x
    x = 21,541,028,644.92/168,900.56
  6. Step 6: Final answer
    x = 127,536.75

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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.