Home / 326,876.06-451,113.57-199,576.26

Finding the Fourth Proportional to 326,876.06, 451,113.57 and 199,576.26

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Solution

The fourth proportional to 326,876.06, 451,113.57 and 199,576.26 is: 275,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,876.06 : 451,113.57 = 199,576.26 : x
  2. Step 2: Convert to fraction form
    326,876.06/451,113.57 = 199,576.26/x
  3. Step 3: Cross multiply
    326,876.06x = 451,113.57 × 199,576.26
  4. Step 4: Simplify right side
    326,876.06x = 90,031,559,135.85
  5. Step 5: Solve for x
    x = 90,031,559,135.85/326,876.06
  6. Step 6: Final answer
    x = 275,430.26

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1.5x scale

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.