Home / 326,972.26-451,207.20-191,018.80

Finding the Fourth Proportional to 326,972.26, 451,207.20 and 191,018.80

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Solution

The fourth proportional to 326,972.26, 451,207.20 and 191,018.80 is: 263,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,972.26 : 451,207.20 = 191,018.80 : x
  2. Step 2: Convert to fraction form
    326,972.26/451,207.20 = 191,018.80/x
  3. Step 3: Cross multiply
    326,972.26x = 451,207.20 × 191,018.80
  4. Step 4: Simplify right side
    326,972.26x = 86,189,057,895.36
  5. Step 5: Solve for x
    x = 86,189,057,895.36/326,972.26
  6. Step 6: Final answer
    x = 263,597.46

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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.