Home / 167,271.80-230,828.87-90,789.26

Finding the Fourth Proportional to 167,271.80, 230,828.87 and 90,789.26

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Solution

The fourth proportional to 167,271.80, 230,828.87 and 90,789.26 is: 125,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,271.80 : 230,828.87 = 90,789.26 : x
  2. Step 2: Convert to fraction form
    167,271.80/230,828.87 = 90,789.26/x
  3. Step 3: Cross multiply
    167,271.80x = 230,828.87 × 90,789.26
  4. Step 4: Simplify right side
    167,271.80x = 20,956,781,366.77
  5. Step 5: Solve for x
    x = 20,956,781,366.77/167,271.80
  6. Step 6: Final answer
    x = 125,285.80

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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.