Home / 326,339.04-450,376.38-190,416.78

Finding the Fourth Proportional to 326,339.04, 450,376.38 and 190,416.78

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Solution

The fourth proportional to 326,339.04, 450,376.38 and 190,416.78 is: 262,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,339.04 : 450,376.38 = 190,416.78 : x
  2. Step 2: Convert to fraction form
    326,339.04/450,376.38 = 190,416.78/x
  3. Step 3: Cross multiply
    326,339.04x = 450,376.38 × 190,416.78
  4. Step 4: Simplify right side
    326,339.04x = 85,759,220,067.66
  5. Step 5: Solve for x
    x = 85,759,220,067.66/326,339.04
  6. Step 6: Final answer
    x = 262,791.79

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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.