Home / 211,810.58-317,788.78-132,832.34

Finding the Fourth Proportional to 211,810.58, 317,788.78 and 132,832.34

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Solution

The fourth proportional to 211,810.58, 317,788.78 and 132,832.34 is: 199,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,810.58 : 317,788.78 = 132,832.34 : x
  2. Step 2: Convert to fraction form
    211,810.58/317,788.78 = 132,832.34/x
  3. Step 3: Cross multiply
    211,810.58x = 317,788.78 × 132,832.34
  4. Step 4: Simplify right side
    211,810.58x = 42,212,627,273.15
  5. Step 5: Solve for x
    x = 42,212,627,273.15/211,810.58
  6. Step 6: Final answer
    x = 199,294.23

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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.