Home / 286,474.68-395,196.84-190,859.04

Finding the Fourth Proportional to 286,474.68, 395,196.84 and 190,859.04

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Solution

The fourth proportional to 286,474.68, 395,196.84 and 190,859.04 is: 263,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,474.68 : 395,196.84 = 190,859.04 : x
  2. Step 2: Convert to fraction form
    286,474.68/395,196.84 = 190,859.04/x
  3. Step 3: Cross multiply
    286,474.68x = 395,196.84 × 190,859.04
  4. Step 4: Simplify right side
    286,474.68x = 75,426,889,493.43
  5. Step 5: Solve for x
    x = 75,426,889,493.43/286,474.68
  6. Step 6: Final answer
    x = 263,293.39

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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.