Home / 294,274.08-406,220.27-198,909.95

Finding the Fourth Proportional to 294,274.08, 406,220.27 and 198,909.95

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Solution

The fourth proportional to 294,274.08, 406,220.27 and 198,909.95 is: 274,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,274.08 : 406,220.27 = 198,909.95 : x
  2. Step 2: Convert to fraction form
    294,274.08/406,220.27 = 198,909.95/x
  3. Step 3: Cross multiply
    294,274.08x = 406,220.27 × 198,909.95
  4. Step 4: Simplify right side
    294,274.08x = 80,801,250,569.04
  5. Step 5: Solve for x
    x = 80,801,250,569.04/294,274.08
  6. Step 6: Final answer
    x = 274,578.21

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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.