Home / 286,417.20-395,166.78-165,514.44

Finding the Fourth Proportional to 286,417.20, 395,166.78 and 165,514.44

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Solution

The fourth proportional to 286,417.20, 395,166.78 and 165,514.44 is: 228,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,417.20 : 395,166.78 = 165,514.44 : x
  2. Step 2: Convert to fraction form
    286,417.20/395,166.78 = 165,514.44/x
  3. Step 3: Cross multiply
    286,417.20x = 395,166.78 × 165,514.44
  4. Step 4: Simplify right side
    286,417.20x = 65,405,808,298.30
  5. Step 5: Solve for x
    x = 65,405,808,298.30/286,417.20
  6. Step 6: Final answer
    x = 228,358.52

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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.