Home / 120,348.24-166,085.76-66,633.26

Finding the Fourth Proportional to 120,348.24, 166,085.76 and 66,633.26

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Solution

The fourth proportional to 120,348.24, 166,085.76 and 66,633.26 is: 91,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348.24 : 166,085.76 = 66,633.26 : x
  2. Step 2: Convert to fraction form
    120,348.24/166,085.76 = 66,633.26/x
  3. Step 3: Cross multiply
    120,348.24x = 166,085.76 × 66,633.26
  4. Step 4: Simplify right side
    120,348.24x = 11,066,835,379.75
  5. Step 5: Solve for x
    x = 11,066,835,379.75/120,348.24
  6. Step 6: Final answer
    x = 91,956.77

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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.