Home / 347,734.88-479,885.96-194,779.64

Finding the Fourth Proportional to 347,734.88, 479,885.96 and 194,779.64

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Solution

The fourth proportional to 347,734.88, 479,885.96 and 194,779.64 is: 268,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,734.88 : 479,885.96 = 194,779.64 : x
  2. Step 2: Convert to fraction form
    347,734.88/479,885.96 = 194,779.64/x
  3. Step 3: Cross multiply
    347,734.88x = 479,885.96 × 194,779.64
  4. Step 4: Simplify right side
    347,734.88x = 93,472,014,529.85
  5. Step 5: Solve for x
    x = 93,472,014,529.85/347,734.88
  6. Step 6: Final answer
    x = 268,802.53

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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.