Home / 120,735.06-166,606.53-67,020.09

Finding the Fourth Proportional to 120,735.06, 166,606.53 and 67,020.09

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Solution

The fourth proportional to 120,735.06, 166,606.53 and 67,020.09 is: 92,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735.06 : 166,606.53 = 67,020.09 : x
  2. Step 2: Convert to fraction form
    120,735.06/166,606.53 = 67,020.09/x
  3. Step 3: Cross multiply
    120,735.06x = 166,606.53 × 67,020.09
  4. Step 4: Simplify right side
    120,735.06x = 11,165,984,635.19
  5. Step 5: Solve for x
    x = 11,165,984,635.19/120,735.06
  6. Step 6: Final answer
    x = 92,483.37

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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.