Home / 211,290.92-291,583.76-115,795.56

Finding the Fourth Proportional to 211,290.92, 291,583.76 and 115,795.56

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Solution

The fourth proportional to 211,290.92, 291,583.76 and 115,795.56 is: 159,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,290.92 : 291,583.76 = 115,795.56 : x
  2. Step 2: Convert to fraction form
    211,290.92/291,583.76 = 115,795.56/x
  3. Step 3: Cross multiply
    211,290.92x = 291,583.76 × 115,795.56
  4. Step 4: Simplify right side
    211,290.92x = 33,764,104,776.11
  5. Step 5: Solve for x
    x = 33,764,104,776.11/211,290.92
  6. Step 6: Final answer
    x = 159,799.13

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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.