Home / 120,466.02-166,243.41-66,750.60

Finding the Fourth Proportional to 120,466.02, 166,243.41 and 66,750.60

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Solution

The fourth proportional to 120,466.02, 166,243.41 and 66,750.60 is: 92,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,466.02 : 166,243.41 = 66,750.60 : x
  2. Step 2: Convert to fraction form
    120,466.02/166,243.41 = 66,750.60/x
  3. Step 3: Cross multiply
    120,466.02x = 166,243.41 × 66,750.60
  4. Step 4: Simplify right side
    120,466.02x = 11,096,847,363.55
  5. Step 5: Solve for x
    x = 11,096,847,363.55/120,466.02
  6. Step 6: Final answer
    x = 92,116.00

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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.