Home / 356,024.35-491,314.34-194,889.69

Finding the Fourth Proportional to 356,024.35, 491,314.34 and 194,889.69

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Solution

The fourth proportional to 356,024.35, 491,314.34 and 194,889.69 is: 268,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,024.35 : 491,314.34 = 194,889.69 : x
  2. Step 2: Convert to fraction form
    356,024.35/491,314.34 = 194,889.69/x
  3. Step 3: Cross multiply
    356,024.35x = 491,314.34 × 194,889.69
  4. Step 4: Simplify right side
    356,024.35x = 95,752,099,415.15
  5. Step 5: Solve for x
    x = 95,752,099,415.15/356,024.35
  6. Step 6: Final answer
    x = 268,948.18

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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.