Home / 226,880.20-340,368.78-69,121.24

Finding the Fourth Proportional to 226,880.20, 340,368.78 and 69,121.24

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Solution

The fourth proportional to 226,880.20, 340,368.78 and 69,121.24 is: 103,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,880.20 : 340,368.78 = 69,121.24 : x
  2. Step 2: Convert to fraction form
    226,880.20/340,368.78 = 69,121.24/x
  3. Step 3: Cross multiply
    226,880.20x = 340,368.78 × 69,121.24
  4. Step 4: Simplify right side
    226,880.20x = 23,526,712,130.89
  5. Step 5: Solve for x
    x = 23,526,712,130.89/226,880.20
  6. Step 6: Final answer
    x = 103,696.63

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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.