Home / 227,200.96-340,802.25-69,428.76

Finding the Fourth Proportional to 227,200.96, 340,802.25 and 69,428.76

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Solution

The fourth proportional to 227,200.96, 340,802.25 and 69,428.76 is: 104,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,200.96 : 340,802.25 = 69,428.76 : x
  2. Step 2: Convert to fraction form
    227,200.96/340,802.25 = 69,428.76/x
  3. Step 3: Cross multiply
    227,200.96x = 340,802.25 × 69,428.76
  4. Step 4: Simplify right side
    227,200.96x = 23,661,477,622.71
  5. Step 5: Solve for x
    x = 23,661,477,622.71/227,200.96
  6. Step 6: Final answer
    x = 104,143.39

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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.