Home / 347,743.92-479,898.40-194,788.64

Finding the Fourth Proportional to 347,743.92, 479,898.40 and 194,788.64

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Solution

The fourth proportional to 347,743.92, 479,898.40 and 194,788.64 is: 268,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,743.92 : 479,898.40 = 194,788.64 : x
  2. Step 2: Convert to fraction form
    347,743.92/479,898.40 = 194,788.64/x
  3. Step 3: Cross multiply
    347,743.92x = 479,898.40 × 194,788.64
  4. Step 4: Simplify right side
    347,743.92x = 93,478,756,674.18
  5. Step 5: Solve for x
    x = 93,478,756,674.18/347,743.92
  6. Step 6: Final answer
    x = 268,814.93

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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.