Home / 286,739.84-395,587.32-165,858.68

Finding the Fourth Proportional to 286,739.84, 395,587.32 and 165,858.68

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Solution

The fourth proportional to 286,739.84, 395,587.32 and 165,858.68 is: 228,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,739.84 : 395,587.32 = 165,858.68 : x
  2. Step 2: Convert to fraction form
    286,739.84/395,587.32 = 165,858.68/x
  3. Step 3: Cross multiply
    286,739.84x = 395,587.32 × 165,858.68
  4. Step 4: Simplify right side
    286,739.84x = 65,611,590,719.94
  5. Step 5: Solve for x
    x = 65,611,590,719.94/286,739.84
  6. Step 6: Final answer
    x = 228,819.23

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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.