Home / 356,024.05-491,313.73-194,889.30

Finding the Fourth Proportional to 356,024.05, 491,313.73 and 194,889.30

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Solution

The fourth proportional to 356,024.05, 491,313.73 and 194,889.30 is: 268,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,024.05 : 491,313.73 = 194,889.30 : x
  2. Step 2: Convert to fraction form
    356,024.05/491,313.73 = 194,889.30/x
  3. Step 3: Cross multiply
    356,024.05x = 491,313.73 × 194,889.30
  4. Step 4: Simplify right side
    356,024.05x = 95,751,788,920.09
  5. Step 5: Solve for x
    x = 95,751,788,920.09/356,024.05
  6. Step 6: Final answer
    x = 268,947.53

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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.