Home / 120,270.24-165,970.44-66,552.03

Finding the Fourth Proportional to 120,270.24, 165,970.44 and 66,552.03

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Solution

The fourth proportional to 120,270.24, 165,970.44 and 66,552.03 is: 91,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,270.24 : 165,970.44 = 66,552.03 : x
  2. Step 2: Convert to fraction form
    120,270.24/165,970.44 = 66,552.03/x
  3. Step 3: Cross multiply
    120,270.24x = 165,970.44 × 66,552.03
  4. Step 4: Simplify right side
    120,270.24x = 11,045,669,701.99
  5. Step 5: Solve for x
    x = 11,045,669,701.99/120,270.24
  6. Step 6: Final answer
    x = 91,840.42

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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.