Home / 236,901.39-355,299.90-68,385.12

Finding the Fourth Proportional to 236,901.39, 355,299.90 and 68,385.12

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Solution

The fourth proportional to 236,901.39, 355,299.90 and 68,385.12 is: 102,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,901.39 : 355,299.90 = 68,385.12 : x
  2. Step 2: Convert to fraction form
    236,901.39/355,299.90 = 68,385.12/x
  3. Step 3: Cross multiply
    236,901.39x = 355,299.90 × 68,385.12
  4. Step 4: Simplify right side
    236,901.39x = 24,297,226,297.49
  5. Step 5: Solve for x
    x = 24,297,226,297.49/236,901.39
  6. Step 6: Final answer
    x = 102,562.62

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1.5x scale

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.