Home / 257,649.79-355,560.21-193,004.50

Finding the Fourth Proportional to 257,649.79, 355,560.21 and 193,004.50

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Solution

The fourth proportional to 257,649.79, 355,560.21 and 193,004.50 is: 266,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,649.79 : 355,560.21 = 193,004.50 : x
  2. Step 2: Convert to fraction form
    257,649.79/355,560.21 = 193,004.50/x
  3. Step 3: Cross multiply
    257,649.79x = 355,560.21 × 193,004.50
  4. Step 4: Simplify right side
    257,649.79x = 68,624,720,550.95
  5. Step 5: Solve for x
    x = 68,624,720,550.95/257,649.79
  6. Step 6: Final answer
    x = 266,348.83

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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.