Home / 204,128.19-281,698.00-112,253.40

Finding the Fourth Proportional to 204,128.19, 281,698.00 and 112,253.40

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Solution

The fourth proportional to 204,128.19, 281,698.00 and 112,253.40 is: 154,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.19 : 281,698.00 = 112,253.40 : x
  2. Step 2: Convert to fraction form
    204,128.19/281,698.00 = 112,253.40/x
  3. Step 3: Cross multiply
    204,128.19x = 281,698.00 × 112,253.40
  4. Step 4: Simplify right side
    204,128.19x = 31,621,556,303.44
  5. Step 5: Solve for x
    x = 31,621,556,303.44/204,128.19
  6. Step 6: Final answer
    x = 154,910.29

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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.