Home / 224,081.81-309,232.93-122,107.31

Finding the Fourth Proportional to 224,081.81, 309,232.93 and 122,107.31

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Solution

The fourth proportional to 224,081.81, 309,232.93 and 122,107.31 is: 168,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,081.81 : 309,232.93 = 122,107.31 : x
  2. Step 2: Convert to fraction form
    224,081.81/309,232.93 = 122,107.31/x
  3. Step 3: Cross multiply
    224,081.81x = 309,232.93 × 122,107.31
  4. Step 4: Simplify right side
    224,081.81x = 37,759,601,245.72
  5. Step 5: Solve for x
    x = 37,759,601,245.72/224,081.81
  6. Step 6: Final answer
    x = 168,508.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.