Home / 357,338.07-493,127.52-196,203.56

Finding the Fourth Proportional to 357,338.07, 493,127.52 and 196,203.56

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Solution

The fourth proportional to 357,338.07, 493,127.52 and 196,203.56 is: 270,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,338.07 : 493,127.52 = 196,203.56 : x
  2. Step 2: Convert to fraction form
    357,338.07/493,127.52 = 196,203.56/x
  3. Step 3: Cross multiply
    357,338.07x = 493,127.52 × 196,203.56
  4. Step 4: Simplify right side
    357,338.07x = 96,753,372,492.33
  5. Step 5: Solve for x
    x = 96,753,372,492.33/357,338.07
  6. Step 6: Final answer
    x = 270,761.45

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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.