Home / 227,619.20-341,396.40-77,866.40

Finding the Fourth Proportional to 227,619.20, 341,396.40 and 77,866.40

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Solution

The fourth proportional to 227,619.20, 341,396.40 and 77,866.40 is: 116,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,619.20 : 341,396.40 = 77,866.40 : x
  2. Step 2: Convert to fraction form
    227,619.20/341,396.40 = 77,866.40/x
  3. Step 3: Cross multiply
    227,619.20x = 341,396.40 × 77,866.40
  4. Step 4: Simplify right side
    227,619.20x = 26,583,308,640.96
  5. Step 5: Solve for x
    x = 26,583,308,640.96/227,619.20
  6. Step 6: Final answer
    x = 116,788.52

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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.