Home / 347,816.43-479,980.35-194,853.06

Finding the Fourth Proportional to 347,816.43, 479,980.35 and 194,853.06

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Solution

The fourth proportional to 347,816.43, 479,980.35 and 194,853.06 is: 268,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,816.43 : 479,980.35 = 194,853.06 : x
  2. Step 2: Convert to fraction form
    347,816.43/479,980.35 = 194,853.06/x
  3. Step 3: Cross multiply
    347,816.43x = 479,980.35 × 194,853.06
  4. Step 4: Simplify right side
    347,816.43x = 93,525,639,937.37
  5. Step 5: Solve for x
    x = 93,525,639,937.37/347,816.43
  6. Step 6: Final answer
    x = 268,893.68

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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.