Home / 163,835.46-226,135.67-100,226.57

Finding the Fourth Proportional to 163,835.46, 226,135.67 and 100,226.57

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Solution

The fourth proportional to 163,835.46, 226,135.67 and 100,226.57 is: 138,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,835.46 : 226,135.67 = 100,226.57 : x
  2. Step 2: Convert to fraction form
    163,835.46/226,135.67 = 100,226.57/x
  3. Step 3: Cross multiply
    163,835.46x = 226,135.67 × 100,226.57
  4. Step 4: Simplify right side
    163,835.46x = 22,664,800,926.94
  5. Step 5: Solve for x
    x = 22,664,800,926.94/163,835.46
  6. Step 6: Final answer
    x = 138,338.80

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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.