Home / 268,811.46-402,935.58-100,263.96

Finding the Fourth Proportional to 268,811.46, 402,935.58 and 100,263.96

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Solution

The fourth proportional to 268,811.46, 402,935.58 and 100,263.96 is: 150,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,811.46 : 402,935.58 = 100,263.96 : x
  2. Step 2: Convert to fraction form
    268,811.46/402,935.58 = 100,263.96/x
  3. Step 3: Cross multiply
    268,811.46x = 402,935.58 × 100,263.96
  4. Step 4: Simplify right side
    268,811.46x = 40,399,916,875.70
  5. Step 5: Solve for x
    x = 40,399,916,875.70/268,811.46
  6. Step 6: Final answer
    x = 150,290.90

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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.