Home / 266,421.26-399,789.50-98,059.83

Finding the Fourth Proportional to 266,421.26, 399,789.50 and 98,059.83

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Solution

The fourth proportional to 266,421.26, 399,789.50 and 98,059.83 is: 147,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,421.26 : 399,789.50 = 98,059.83 : x
  2. Step 2: Convert to fraction form
    266,421.26/399,789.50 = 98,059.83/x
  3. Step 3: Cross multiply
    266,421.26x = 399,789.50 × 98,059.83
  4. Step 4: Simplify right side
    266,421.26x = 39,203,290,405.79
  5. Step 5: Solve for x
    x = 39,203,290,405.79/266,421.26
  6. Step 6: Final answer
    x = 147,147.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.