Home / 217,899.68-326,948.09-111,228.54

Finding the Fourth Proportional to 217,899.68, 326,948.09 and 111,228.54

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Solution

The fourth proportional to 217,899.68, 326,948.09 and 111,228.54 is: 166,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,899.68 : 326,948.09 = 111,228.54 : x
  2. Step 2: Convert to fraction form
    217,899.68/326,948.09 = 111,228.54/x
  3. Step 3: Cross multiply
    217,899.68x = 326,948.09 × 111,228.54
  4. Step 4: Simplify right side
    217,899.68x = 36,365,958,150.35
  5. Step 5: Solve for x
    x = 36,365,958,150.35/217,899.68
  6. Step 6: Final answer
    x = 166,893.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.