Home / 103,072.64-154,610.40-29,200.64

Finding the Fourth Proportional to 103,072.64, 154,610.40 and 29,200.64

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Solution

The fourth proportional to 103,072.64, 154,610.40 and 29,200.64 is: 43,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072.64 : 154,610.40 = 29,200.64 : x
  2. Step 2: Convert to fraction form
    103,072.64/154,610.40 = 29,200.64/x
  3. Step 3: Cross multiply
    103,072.64x = 154,610.40 × 29,200.64
  4. Step 4: Simplify right side
    103,072.64x = 4,514,722,630.66
  5. Step 5: Solve for x
    x = 4,514,722,630.66/103,072.64
  6. Step 6: Final answer
    x = 43,801.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.