Home / 168,631.80-232,632.28-100,609.84

Finding the Fourth Proportional to 168,631.80, 232,632.28 and 100,609.84

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Solution

The fourth proportional to 168,631.80, 232,632.28 and 100,609.84 is: 138,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,631.80 : 232,632.28 = 100,609.84 : x
  2. Step 2: Convert to fraction form
    168,631.80/232,632.28 = 100,609.84/x
  3. Step 3: Cross multiply
    168,631.80x = 232,632.28 × 100,609.84
  4. Step 4: Simplify right side
    168,631.80x = 23,405,096,469.64
  5. Step 5: Solve for x
    x = 23,405,096,469.64/168,631.80
  6. Step 6: Final answer
    x = 138,794.09

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1.5x scale

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.