Home / 206,824.23-285,373.16-120,744.12

Finding the Fourth Proportional to 206,824.23, 285,373.16 and 120,744.12

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Solution

The fourth proportional to 206,824.23, 285,373.16 and 120,744.12 is: 166,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,824.23 : 285,373.16 = 120,744.12 : x
  2. Step 2: Convert to fraction form
    206,824.23/285,373.16 = 120,744.12/x
  3. Step 3: Cross multiply
    206,824.23x = 285,373.16 × 120,744.12
  4. Step 4: Simplify right side
    206,824.23x = 34,457,130,472.10
  5. Step 5: Solve for x
    x = 34,457,130,472.10/206,824.23
  6. Step 6: Final answer
    x = 166,601.03

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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.