Home / 357,341.22-493,131.84-196,206.72

Finding the Fourth Proportional to 357,341.22, 493,131.84 and 196,206.72

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Solution

The fourth proportional to 357,341.22, 493,131.84 and 196,206.72 is: 270,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,341.22 : 493,131.84 = 196,206.72 : x
  2. Step 2: Convert to fraction form
    357,341.22/493,131.84 = 196,206.72/x
  3. Step 3: Cross multiply
    357,341.22x = 493,131.84 × 196,206.72
  4. Step 4: Simplify right side
    357,341.22x = 96,755,780,853.96
  5. Step 5: Solve for x
    x = 96,755,780,853.96/357,341.22
  6. Step 6: Final answer
    x = 270,765.80

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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.