Home / 230,535.56-318,164.82-135,122.96

Finding the Fourth Proportional to 230,535.56, 318,164.82 and 135,122.96

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Solution

The fourth proportional to 230,535.56, 318,164.82 and 135,122.96 is: 186,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,535.56 : 318,164.82 = 135,122.96 : x
  2. Step 2: Convert to fraction form
    230,535.56/318,164.82 = 135,122.96/x
  3. Step 3: Cross multiply
    230,535.56x = 318,164.82 × 135,122.96
  4. Step 4: Simplify right side
    230,535.56x = 42,991,372,246.27
  5. Step 5: Solve for x
    x = 42,991,372,246.27/230,535.56
  6. Step 6: Final answer
    x = 186,484.78

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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.