Home / 168,188.12-232,155.84-100,226.42

Finding the Fourth Proportional to 168,188.12, 232,155.84 and 100,226.42

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Solution

The fourth proportional to 168,188.12, 232,155.84 and 100,226.42 is: 138,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188.12 : 232,155.84 = 100,226.42 : x
  2. Step 2: Convert to fraction form
    168,188.12/232,155.84 = 100,226.42/x
  3. Step 3: Cross multiply
    168,188.12x = 232,155.84 × 100,226.42
  4. Step 4: Simplify right side
    168,188.12x = 23,268,147,564.51
  5. Step 5: Solve for x
    x = 23,268,147,564.51/168,188.12
  6. Step 6: Final answer
    x = 138,345.97

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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.