Home / 213,223.93-294,125.68-137,772.43

Finding the Fourth Proportional to 213,223.93, 294,125.68 and 137,772.43

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Solution

The fourth proportional to 213,223.93, 294,125.68 and 137,772.43 is: 190,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,223.93 : 294,125.68 = 137,772.43 : x
  2. Step 2: Convert to fraction form
    213,223.93/294,125.68 = 137,772.43/x
  3. Step 3: Cross multiply
    213,223.93x = 294,125.68 × 137,772.43
  4. Step 4: Simplify right side
    213,223.93x = 40,522,409,975.39
  5. Step 5: Solve for x
    x = 40,522,409,975.39/213,223.93
  6. Step 6: Final answer
    x = 190,046.26

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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.