Home / 226,148.81-338,779.67-131,179.47

Finding the Fourth Proportional to 226,148.81, 338,779.67 and 131,179.47

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Solution

The fourth proportional to 226,148.81, 338,779.67 and 131,179.47 is: 196,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,148.81 : 338,779.67 = 131,179.47 : x
  2. Step 2: Convert to fraction form
    226,148.81/338,779.67 = 131,179.47/x
  3. Step 3: Cross multiply
    226,148.81x = 338,779.67 × 131,179.47
  4. Step 4: Simplify right side
    226,148.81x = 44,440,938,489.51
  5. Step 5: Solve for x
    x = 44,440,938,489.51/226,148.81
  6. Step 6: Final answer
    x = 196,511.93

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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.