Home / 145,843.36-201,256.61-82,185.26

Finding the Fourth Proportional to 145,843.36, 201,256.61 and 82,185.26

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Solution

The fourth proportional to 145,843.36, 201,256.61 and 82,185.26 is: 113,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,843.36 : 201,256.61 = 82,185.26 : x
  2. Step 2: Convert to fraction form
    145,843.36/201,256.61 = 82,185.26/x
  3. Step 3: Cross multiply
    145,843.36x = 201,256.61 × 82,185.26
  4. Step 4: Simplify right side
    145,843.36x = 16,540,325,402.36
  5. Step 5: Solve for x
    x = 16,540,325,402.36/145,843.36
  6. Step 6: Final answer
    x = 113,411.58

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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.