Home / 311,919.66-430,446.96-168,677.64

Finding the Fourth Proportional to 311,919.66, 430,446.96 and 168,677.64

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Solution

The fourth proportional to 311,919.66, 430,446.96 and 168,677.64 is: 232,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,919.66 : 430,446.96 = 168,677.64 : x
  2. Step 2: Convert to fraction form
    311,919.66/430,446.96 = 168,677.64/x
  3. Step 3: Cross multiply
    311,919.66x = 430,446.96 × 168,677.64
  4. Step 4: Simplify right side
    311,919.66x = 72,606,777,357.97
  5. Step 5: Solve for x
    x = 72,606,777,357.97/311,919.66
  6. Step 6: Final answer
    x = 232,773.97

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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.