Home / 166,771.28-230,144.44-90,290.37

Finding the Fourth Proportional to 166,771.28, 230,144.44 and 90,290.37

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Solution

The fourth proportional to 166,771.28, 230,144.44 and 90,290.37 is: 124,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.28 : 230,144.44 = 90,290.37 : x
  2. Step 2: Convert to fraction form
    166,771.28/230,144.44 = 90,290.37/x
  3. Step 3: Cross multiply
    166,771.28x = 230,144.44 × 90,290.37
  4. Step 4: Simplify right side
    166,771.28x = 20,779,826,641.04
  5. Step 5: Solve for x
    x = 20,779,826,641.04/166,771.28
  6. Step 6: Final answer
    x = 124,600.75

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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.