Home / 347,754.90-479,919.78-194,784.15

Finding the Fourth Proportional to 347,754.90, 479,919.78 and 194,784.15

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Solution

The fourth proportional to 347,754.90, 479,919.78 and 194,784.15 is: 268,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754.90 : 479,919.78 = 194,784.15 : x
  2. Step 2: Convert to fraction form
    347,754.90/479,919.78 = 194,784.15/x
  3. Step 3: Cross multiply
    347,754.90x = 479,919.78 × 194,784.15
  4. Step 4: Simplify right side
    347,754.90x = 93,480,766,415.49
  5. Step 5: Solve for x
    x = 93,480,766,415.49/347,754.90
  6. Step 6: Final answer
    x = 268,812.22

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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.