Home / 213,103.51-294,120.97-127,068.04

Finding the Fourth Proportional to 213,103.51, 294,120.97 and 127,068.04

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Solution

The fourth proportional to 213,103.51, 294,120.97 and 127,068.04 is: 175,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,103.51 : 294,120.97 = 127,068.04 : x
  2. Step 2: Convert to fraction form
    213,103.51/294,120.97 = 127,068.04/x
  3. Step 3: Cross multiply
    213,103.51x = 294,120.97 × 127,068.04
  4. Step 4: Simplify right side
    213,103.51x = 37,373,375,945.54
  5. Step 5: Solve for x
    x = 37,373,375,945.54/213,103.51
  6. Step 6: Final answer
    x = 175,376.63

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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.