Home / 326,885.80-451,139.01-197,895.37

Finding the Fourth Proportional to 326,885.80, 451,139.01 and 197,895.37

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Solution

The fourth proportional to 326,885.80, 451,139.01 and 197,895.37 is: 273,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,885.80 : 451,139.01 = 197,895.37 : x
  2. Step 2: Convert to fraction form
    326,885.80/451,139.01 = 197,895.37/x
  3. Step 3: Cross multiply
    326,885.80x = 451,139.01 × 197,895.37
  4. Step 4: Simplify right side
    326,885.80x = 89,278,319,049.69
  5. Step 5: Solve for x
    x = 89,278,319,049.69/326,885.80
  6. Step 6: Final answer
    x = 273,117.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.