Home / 199,272.40-274,436.04-194,917.84

Finding the Fourth Proportional to 199,272.40, 274,436.04 and 194,917.84

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Solution

The fourth proportional to 199,272.40, 274,436.04 and 194,917.84 is: 268,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272.40 : 274,436.04 = 194,917.84 : x
  2. Step 2: Convert to fraction form
    199,272.40/274,436.04 = 194,917.84/x
  3. Step 3: Cross multiply
    199,272.40x = 274,436.04 × 194,917.84
  4. Step 4: Simplify right side
    199,272.40x = 53,492,480,134.95
  5. Step 5: Solve for x
    x = 53,492,480,134.95/199,272.40
  6. Step 6: Final answer
    x = 268,438.98

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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.