Home / 168,016.15-231,706.54-122,622.23

Finding the Fourth Proportional to 168,016.15, 231,706.54 and 122,622.23

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Solution

The fourth proportional to 168,016.15, 231,706.54 and 122,622.23 is: 169,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.15 : 231,706.54 = 122,622.23 : x
  2. Step 2: Convert to fraction form
    168,016.15/231,706.54 = 122,622.23/x
  3. Step 3: Cross multiply
    168,016.15x = 231,706.54 × 122,622.23
  4. Step 4: Simplify right side
    168,016.15x = 28,412,370,868.74
  5. Step 5: Solve for x
    x = 28,412,370,868.74/168,016.15
  6. Step 6: Final answer
    x = 169,105.00

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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.