Home / 211,024.86-291,215.16-115,540.44

Finding the Fourth Proportional to 211,024.86, 291,215.16 and 115,540.44

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Solution

The fourth proportional to 211,024.86, 291,215.16 and 115,540.44 is: 159,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.86 : 291,215.16 = 115,540.44 : x
  2. Step 2: Convert to fraction form
    211,024.86/291,215.16 = 115,540.44/x
  3. Step 3: Cross multiply
    211,024.86x = 291,215.16 × 115,540.44
  4. Step 4: Simplify right side
    211,024.86x = 33,647,127,721.07
  5. Step 5: Solve for x
    x = 33,647,127,721.07/211,024.86
  6. Step 6: Final answer
    x = 159,446.27

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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.