Home / 120,718.55-166,583.76-67,003.58

Finding the Fourth Proportional to 120,718.55, 166,583.76 and 67,003.58

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Solution

The fourth proportional to 120,718.55, 166,583.76 and 67,003.58 is: 92,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,718.55 : 166,583.76 = 67,003.58 : x
  2. Step 2: Convert to fraction form
    120,718.55/166,583.76 = 67,003.58/x
  3. Step 3: Cross multiply
    120,718.55x = 166,583.76 × 67,003.58
  4. Step 4: Simplify right side
    120,718.55x = 11,161,707,456.94
  5. Step 5: Solve for x
    x = 11,161,707,456.94/120,718.55
  6. Step 6: Final answer
    x = 92,460.59

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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.