Home / 211,539.22-317,391.90-93,127.48

Finding the Fourth Proportional to 211,539.22, 317,391.90 and 93,127.48

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Solution

The fourth proportional to 211,539.22, 317,391.90 and 93,127.48 is: 139,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,539.22 : 317,391.90 = 93,127.48 : x
  2. Step 2: Convert to fraction form
    211,539.22/317,391.90 = 93,127.48/x
  3. Step 3: Cross multiply
    211,539.22x = 317,391.90 × 93,127.48
  4. Step 4: Simplify right side
    211,539.22x = 29,557,907,819.41
  5. Step 5: Solve for x
    x = 29,557,907,819.41/211,539.22
  6. Step 6: Final answer
    x = 139,727.79

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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.