Home / 326,990.26-451,232.04-191,036.80

Finding the Fourth Proportional to 326,990.26, 451,232.04 and 191,036.80

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Solution

The fourth proportional to 326,990.26, 451,232.04 and 191,036.80 is: 263,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,990.26 : 451,232.04 = 191,036.80 : x
  2. Step 2: Convert to fraction form
    326,990.26/451,232.04 = 191,036.80/x
  3. Step 3: Cross multiply
    326,990.26x = 451,232.04 × 191,036.80
  4. Step 4: Simplify right side
    326,990.26x = 86,201,924,979.07
  5. Step 5: Solve for x
    x = 86,201,924,979.07/326,990.26
  6. Step 6: Final answer
    x = 263,622.30

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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.