Home / 211,514.91-317,114.57-127,255.33

Finding the Fourth Proportional to 211,514.91, 317,114.57 and 127,255.33

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Solution

The fourth proportional to 211,514.91, 317,114.57 and 127,255.33 is: 190,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514.91 : 317,114.57 = 127,255.33 : x
  2. Step 2: Convert to fraction form
    211,514.91/317,114.57 = 127,255.33/x
  3. Step 3: Cross multiply
    211,514.91x = 317,114.57 × 127,255.33
  4. Step 4: Simplify right side
    211,514.91x = 40,354,519,967.69
  5. Step 5: Solve for x
    x = 40,354,519,967.69/211,514.91
  6. Step 6: Final answer
    x = 190,788.06

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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.