Home / 230,856.45-317,871.32-196,788.57

Finding the Fourth Proportional to 230,856.45, 317,871.32 and 196,788.57

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Solution

The fourth proportional to 230,856.45, 317,871.32 and 196,788.57 is: 270,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,856.45 : 317,871.32 = 196,788.57 : x
  2. Step 2: Convert to fraction form
    230,856.45/317,871.32 = 196,788.57/x
  3. Step 3: Cross multiply
    230,856.45x = 317,871.32 × 196,788.57
  4. Step 4: Simplify right side
    230,856.45x = 62,553,440,917.46
  5. Step 5: Solve for x
    x = 62,553,440,917.46/230,856.45
  6. Step 6: Final answer
    x = 270,962.51

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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.