Home / 120,343.93-166,083.97-66,633.94

Finding the Fourth Proportional to 120,343.93, 166,083.97 and 66,633.94

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Solution

The fourth proportional to 120,343.93, 166,083.97 and 66,633.94 is: 91,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,343.93 : 166,083.97 = 66,633.94 : x
  2. Step 2: Convert to fraction form
    120,343.93/166,083.97 = 66,633.94/x
  3. Step 3: Cross multiply
    120,343.93x = 166,083.97 × 66,633.94
  4. Step 4: Simplify right side
    120,343.93x = 11,066,829,457.90
  5. Step 5: Solve for x
    x = 11,066,829,457.90/120,343.93
  6. Step 6: Final answer
    x = 91,960.02

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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.