Home / 326,136.42-489,199.86-113,059.44

Finding the Fourth Proportional to 326,136.42, 489,199.86 and 113,059.44

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Solution

The fourth proportional to 326,136.42, 489,199.86 and 113,059.44 is: 169,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,136.42 : 489,199.86 = 113,059.44 : x
  2. Step 2: Convert to fraction form
    326,136.42/489,199.86 = 113,059.44/x
  3. Step 3: Cross multiply
    326,136.42x = 489,199.86 × 113,059.44
  4. Step 4: Simplify right side
    326,136.42x = 55,308,662,219.68
  5. Step 5: Solve for x
    x = 55,308,662,219.68/326,136.42
  6. Step 6: Final answer
    x = 169,587.51

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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.