Home / 268,336.12-402,501.34-68,654.92

Finding the Fourth Proportional to 268,336.12, 402,501.34 and 68,654.92

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Solution

The fourth proportional to 268,336.12, 402,501.34 and 68,654.92 is: 102,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336.12 : 402,501.34 = 68,654.92 : x
  2. Step 2: Convert to fraction form
    268,336.12/402,501.34 = 68,654.92/x
  3. Step 3: Cross multiply
    268,336.12x = 402,501.34 × 68,654.92
  4. Step 4: Simplify right side
    268,336.12x = 27,633,697,297.59
  5. Step 5: Solve for x
    x = 27,633,697,297.59/268,336.12
  6. Step 6: Final answer
    x = 102,981.65

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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.