Home / 211,815.34-317,795.92-132,837.10

Finding the Fourth Proportional to 211,815.34, 317,795.92 and 132,837.10

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Solution

The fourth proportional to 211,815.34, 317,795.92 and 132,837.10 is: 199,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,815.34 : 317,795.92 = 132,837.10 : x
  2. Step 2: Convert to fraction form
    211,815.34/317,795.92 = 132,837.10/x
  3. Step 3: Cross multiply
    211,815.34x = 317,795.92 × 132,837.10
  4. Step 4: Simplify right side
    211,815.34x = 42,215,088,404.63
  5. Step 5: Solve for x
    x = 42,215,088,404.63/211,815.34
  6. Step 6: Final answer
    x = 199,301.37

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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.