Home / 286,968.39-395,909.40-179,497.59

Finding the Fourth Proportional to 286,968.39, 395,909.40 and 179,497.59

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Solution

The fourth proportional to 286,968.39, 395,909.40 and 179,497.59 is: 247,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,968.39 : 395,909.40 = 179,497.59 : x
  2. Step 2: Convert to fraction form
    286,968.39/395,909.40 = 179,497.59/x
  3. Step 3: Cross multiply
    286,968.39x = 395,909.40 × 179,497.59
  4. Step 4: Simplify right side
    286,968.39x = 71,064,783,158.35
  5. Step 5: Solve for x
    x = 71,064,783,158.35/286,968.39
  6. Step 6: Final answer
    x = 247,639.76

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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.