Home / 120,272.44-165,977.46-66,557.32

Finding the Fourth Proportional to 120,272.44, 165,977.46 and 66,557.32

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Solution

The fourth proportional to 120,272.44, 165,977.46 and 66,557.32 is: 91,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272.44 : 165,977.46 = 66,557.32 : x
  2. Step 2: Convert to fraction form
    120,272.44/165,977.46 = 66,557.32/x
  3. Step 3: Cross multiply
    120,272.44x = 165,977.46 × 66,557.32
  4. Step 4: Simplify right side
    120,272.44x = 11,047,014,918.01
  5. Step 5: Solve for x
    x = 11,047,014,918.01/120,272.44
  6. Step 6: Final answer
    x = 91,849.93

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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.