Home / 117,066.82-161,551.46-66,080.20

Finding the Fourth Proportional to 117,066.82, 161,551.46 and 66,080.20

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Solution

The fourth proportional to 117,066.82, 161,551.46 and 66,080.20 is: 91,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,066.82 : 161,551.46 = 66,080.20 : x
  2. Step 2: Convert to fraction form
    117,066.82/161,551.46 = 66,080.20/x
  3. Step 3: Cross multiply
    117,066.82x = 161,551.46 × 66,080.20
  4. Step 4: Simplify right side
    117,066.82x = 10,675,352,787.09
  5. Step 5: Solve for x
    x = 10,675,352,787.09/117,066.82
  6. Step 6: Final answer
    x = 91,190.25

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1.5x scale

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.