Home / 326,558.07-489,894.50-149,083.02

Finding the Fourth Proportional to 326,558.07, 489,894.50 and 149,083.02

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Solution

The fourth proportional to 326,558.07, 489,894.50 and 149,083.02 is: 223,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,558.07 : 489,894.50 = 149,083.02 : x
  2. Step 2: Convert to fraction form
    326,558.07/489,894.50 = 149,083.02/x
  3. Step 3: Cross multiply
    326,558.07x = 489,894.50 × 149,083.02
  4. Step 4: Simplify right side
    326,558.07x = 73,034,951,541.39
  5. Step 5: Solve for x
    x = 73,034,951,541.39/326,558.07
  6. Step 6: Final answer
    x = 223,650.73

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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.