Home / 286,467.16-395,149.52-170,101.76

Finding the Fourth Proportional to 286,467.16, 395,149.52 and 170,101.76

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Solution

The fourth proportional to 286,467.16, 395,149.52 and 170,101.76 is: 234,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,467.16 : 395,149.52 = 170,101.76 : x
  2. Step 2: Convert to fraction form
    286,467.16/395,149.52 = 170,101.76/x
  3. Step 3: Cross multiply
    286,467.16x = 395,149.52 × 170,101.76
  4. Step 4: Simplify right side
    286,467.16x = 67,215,628,815.16
  5. Step 5: Solve for x
    x = 67,215,628,815.16/286,467.16
  6. Step 6: Final answer
    x = 234,636.42

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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.