Home / 441,182.81-661,507.34-197,979.29

Finding the Fourth Proportional to 441,182.81, 661,507.34 and 197,979.29

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Solution

The fourth proportional to 441,182.81, 661,507.34 and 197,979.29 is: 296,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,182.81 : 661,507.34 = 197,979.29 : x
  2. Step 2: Convert to fraction form
    441,182.81/661,507.34 = 197,979.29/x
  3. Step 3: Cross multiply
    441,182.81x = 661,507.34 × 197,979.29
  4. Step 4: Simplify right side
    441,182.81x = 130,964,749,205.56
  5. Step 5: Solve for x
    x = 130,964,749,205.56/441,182.81
  6. Step 6: Final answer
    x = 296,849.17

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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.