Home / 168,383.40-252,574.74-68,521.34

Finding the Fourth Proportional to 168,383.40, 252,574.74 and 68,521.34

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Solution

The fourth proportional to 168,383.40, 252,574.74 and 68,521.34 is: 102,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,383.40 : 252,574.74 = 68,521.34 : x
  2. Step 2: Convert to fraction form
    168,383.40/252,574.74 = 68,521.34/x
  3. Step 3: Cross multiply
    168,383.40x = 252,574.74 × 68,521.34
  4. Step 4: Simplify right side
    168,383.40x = 17,306,758,372.08
  5. Step 5: Solve for x
    x = 17,306,758,372.08/168,383.40
  6. Step 6: Final answer
    x = 102,781.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.