Home / 326,089.44-489,155.04-112,877.88

Finding the Fourth Proportional to 326,089.44, 489,155.04 and 112,877.88

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Solution

The fourth proportional to 326,089.44, 489,155.04 and 112,877.88 is: 169,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,089.44 : 489,155.04 = 112,877.88 : x
  2. Step 2: Convert to fraction form
    326,089.44/489,155.04 = 112,877.88/x
  3. Step 3: Cross multiply
    326,089.44x = 489,155.04 × 112,877.88
  4. Step 4: Simplify right side
    326,089.44x = 55,214,783,906.52
  5. Step 5: Solve for x
    x = 55,214,783,906.52/326,089.44
  6. Step 6: Final answer
    x = 169,324.05

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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.