Home / 117,096.63-161,615.21-66,795.63

Finding the Fourth Proportional to 117,096.63, 161,615.21 and 66,795.63

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Solution

The fourth proportional to 117,096.63, 161,615.21 and 66,795.63 is: 92,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096.63 : 161,615.21 = 66,795.63 : x
  2. Step 2: Convert to fraction form
    117,096.63/161,615.21 = 66,795.63/x
  3. Step 3: Cross multiply
    117,096.63x = 161,615.21 × 66,795.63
  4. Step 4: Simplify right side
    117,096.63x = 10,795,189,769.53
  5. Step 5: Solve for x
    x = 10,795,189,769.53/117,096.63
  6. Step 6: Final answer
    x = 92,190.44

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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.