Home / 274,686.45-411,974.18-191,205.96

Finding the Fourth Proportional to 274,686.45, 411,974.18 and 191,205.96

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Solution

The fourth proportional to 274,686.45, 411,974.18 and 191,205.96 is: 286,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,686.45 : 411,974.18 = 191,205.96 : x
  2. Step 2: Convert to fraction form
    274,686.45/411,974.18 = 191,205.96/x
  3. Step 3: Cross multiply
    274,686.45x = 411,974.18 × 191,205.96
  4. Step 4: Simplify right side
    274,686.45x = 78,771,918,582.11
  5. Step 5: Solve for x
    x = 78,771,918,582.11/274,686.45
  6. Step 6: Final answer
    x = 286,770.31

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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.