Home / 120,266.44-165,969.18-66,551.32

Finding the Fourth Proportional to 120,266.44, 165,969.18 and 66,551.32

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Solution

The fourth proportional to 120,266.44, 165,969.18 and 66,551.32 is: 91,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,266.44 : 165,969.18 = 66,551.32 : x
  2. Step 2: Convert to fraction form
    120,266.44/165,969.18 = 66,551.32/x
  3. Step 3: Cross multiply
    120,266.44x = 165,969.18 × 66,551.32
  4. Step 4: Simplify right side
    120,266.44x = 11,045,468,008.32
  5. Step 5: Solve for x
    x = 11,045,468,008.32/120,266.44
  6. Step 6: Final answer
    x = 91,841.65

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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.