Home / 269,514.10-404,272.35-69,820.30

Finding the Fourth Proportional to 269,514.10, 404,272.35 and 69,820.30

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Solution

The fourth proportional to 269,514.10, 404,272.35 and 69,820.30 is: 104,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,514.10 : 404,272.35 = 69,820.30 : x
  2. Step 2: Convert to fraction form
    269,514.10/404,272.35 = 69,820.30/x
  3. Step 3: Cross multiply
    269,514.10x = 404,272.35 × 69,820.30
  4. Step 4: Simplify right side
    269,514.10x = 28,226,416,758.71
  5. Step 5: Solve for x
    x = 28,226,416,758.71/269,514.10
  6. Step 6: Final answer
    x = 104,730.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.