Home / 357,939.49-493,943.87-196,793.30

Finding the Fourth Proportional to 357,939.49, 493,943.87 and 196,793.30

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Solution

The fourth proportional to 357,939.49, 493,943.87 and 196,793.30 is: 271,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,939.49 : 493,943.87 = 196,793.30 : x
  2. Step 2: Convert to fraction form
    357,939.49/493,943.87 = 196,793.30/x
  3. Step 3: Cross multiply
    357,939.49x = 493,943.87 × 196,793.30
  4. Step 4: Simplify right side
    357,939.49x = 97,204,844,192.07
  5. Step 5: Solve for x
    x = 97,204,844,192.07/357,939.49
  6. Step 6: Final answer
    x = 271,567.81

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1.5x scale

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.