Home / 120,463.02-166,239.27-66,747.60

Finding the Fourth Proportional to 120,463.02, 166,239.27 and 66,747.60

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Solution

The fourth proportional to 120,463.02, 166,239.27 and 66,747.60 is: 92,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,463.02 : 166,239.27 = 66,747.60 : x
  2. Step 2: Convert to fraction form
    120,463.02/166,239.27 = 66,747.60/x
  3. Step 3: Cross multiply
    120,463.02x = 166,239.27 × 66,747.60
  4. Step 4: Simplify right side
    120,463.02x = 11,096,072,298.25
  5. Step 5: Solve for x
    x = 11,096,072,298.25/120,463.02
  6. Step 6: Final answer
    x = 92,111.86

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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.