Home / 167,790.03-231,555.09-91,314.06

Finding the Fourth Proportional to 167,790.03, 231,555.09 and 91,314.06

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Solution

The fourth proportional to 167,790.03, 231,555.09 and 91,314.06 is: 126,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.03 : 231,555.09 = 91,314.06 : x
  2. Step 2: Convert to fraction form
    167,790.03/231,555.09 = 91,314.06/x
  3. Step 3: Cross multiply
    167,790.03x = 231,555.09 × 91,314.06
  4. Step 4: Simplify right side
    167,790.03x = 21,144,235,381.57
  5. Step 5: Solve for x
    x = 21,144,235,381.57/167,790.03
  6. Step 6: Final answer
    x = 126,016.04

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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.