Home / 384,863.23-531,110.41-215,097.36

Finding the Fourth Proportional to 384,863.23, 531,110.41 and 215,097.36

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Solution

The fourth proportional to 384,863.23, 531,110.41 and 215,097.36 is: 296,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,863.23 : 531,110.41 = 215,097.36 : x
  2. Step 2: Convert to fraction form
    384,863.23/531,110.41 = 215,097.36/x
  3. Step 3: Cross multiply
    384,863.23x = 531,110.41 × 215,097.36
  4. Step 4: Simplify right side
    384,863.23x = 114,240,447,059.52
  5. Step 5: Solve for x
    x = 114,240,447,059.52/384,863.23
  6. Step 6: Final answer
    x = 296,833.88

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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.