Home / 153,371.94-211,634.26-88,840.36

Finding the Fourth Proportional to 153,371.94, 211,634.26 and 88,840.36

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Solution

The fourth proportional to 153,371.94, 211,634.26 and 88,840.36 is: 122,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,371.94 : 211,634.26 = 88,840.36 : x
  2. Step 2: Convert to fraction form
    153,371.94/211,634.26 = 88,840.36/x
  3. Step 3: Cross multiply
    153,371.94x = 211,634.26 × 88,840.36
  4. Step 4: Simplify right side
    153,371.94x = 18,801,663,846.73
  5. Step 5: Solve for x
    x = 18,801,663,846.73/153,371.94
  6. Step 6: Final answer
    x = 122,588.68

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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.