Home / 357,512.27-493,379.52-196,382.21

Finding the Fourth Proportional to 357,512.27, 493,379.52 and 196,382.21

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Solution

The fourth proportional to 357,512.27, 493,379.52 and 196,382.21 is: 271,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,512.27 : 493,379.52 = 196,382.21 : x
  2. Step 2: Convert to fraction form
    357,512.27/493,379.52 = 196,382.21/x
  3. Step 3: Cross multiply
    357,512.27x = 493,379.52 × 196,382.21
  4. Step 4: Simplify right side
    357,512.27x = 96,890,960,506.34
  5. Step 5: Solve for x
    x = 96,890,960,506.34/357,512.27
  6. Step 6: Final answer
    x = 271,014.36

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1.5x scale

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.