Home / 116,466.58-160,724.01-66,175.30

Finding the Fourth Proportional to 116,466.58, 160,724.01 and 66,175.30

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Solution

The fourth proportional to 116,466.58, 160,724.01 and 66,175.30 is: 91,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,466.58 : 160,724.01 = 66,175.30 : x
  2. Step 2: Convert to fraction form
    116,466.58/160,724.01 = 66,175.30/x
  3. Step 3: Cross multiply
    116,466.58x = 160,724.01 × 66,175.30
  4. Step 4: Simplify right side
    116,466.58x = 10,635,959,578.95
  5. Step 5: Solve for x
    x = 10,635,959,578.95/116,466.58
  6. Step 6: Final answer
    x = 91,321.99

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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.