Home / 217,627.88-326,404.20-57,704.84

Finding the Fourth Proportional to 217,627.88, 326,404.20 and 57,704.84

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Solution

The fourth proportional to 217,627.88, 326,404.20 and 57,704.84 is: 86,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,627.88 : 326,404.20 = 57,704.84 : x
  2. Step 2: Convert to fraction form
    217,627.88/326,404.20 = 57,704.84/x
  3. Step 3: Cross multiply
    217,627.88x = 326,404.20 × 57,704.84
  4. Step 4: Simplify right side
    217,627.88x = 18,835,102,136.33
  5. Step 5: Solve for x
    x = 18,835,102,136.33/217,627.88
  6. Step 6: Final answer
    x = 86,547.28

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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.