Home / 326,795.31-451,027.59-199,545.39

Finding the Fourth Proportional to 326,795.31, 451,027.59 and 199,545.39

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Solution

The fourth proportional to 326,795.31, 451,027.59 and 199,545.39 is: 275,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,795.31 : 451,027.59 = 199,545.39 : x
  2. Step 2: Convert to fraction form
    326,795.31/451,027.59 = 199,545.39/x
  3. Step 3: Cross multiply
    326,795.31x = 451,027.59 × 199,545.39
  4. Step 4: Simplify right side
    326,795.31x = 90,000,476,347.31
  5. Step 5: Solve for x
    x = 90,000,476,347.31/326,795.31
  6. Step 6: Final answer
    x = 275,403.21

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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.