Home / 355,910.51-491,140.76-194,772.35

Finding the Fourth Proportional to 355,910.51, 491,140.76 and 194,772.35

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Solution

The fourth proportional to 355,910.51, 491,140.76 and 194,772.35 is: 268,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,910.51 : 491,140.76 = 194,772.35 : x
  2. Step 2: Convert to fraction form
    355,910.51/491,140.76 = 194,772.35/x
  3. Step 3: Cross multiply
    355,910.51x = 491,140.76 × 194,772.35
  4. Step 4: Simplify right side
    355,910.51x = 95,660,640,259.98
  5. Step 5: Solve for x
    x = 95,660,640,259.98/355,910.51
  6. Step 6: Final answer
    x = 268,777.23

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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.