Home / 293,639.46-405,215.66-171,124.04

Finding the Fourth Proportional to 293,639.46, 405,215.66 and 171,124.04

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Solution

The fourth proportional to 293,639.46, 405,215.66 and 171,124.04 is: 236,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,639.46 : 405,215.66 = 171,124.04 : x
  2. Step 2: Convert to fraction form
    293,639.46/405,215.66 = 171,124.04/x
  3. Step 3: Cross multiply
    293,639.46x = 405,215.66 × 171,124.04
  4. Step 4: Simplify right side
    293,639.46x = 69,342,137,928.77
  5. Step 5: Solve for x
    x = 69,342,137,928.77/293,639.46
  6. Step 6: Final answer
    x = 236,147.21

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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.