Home / 166,986.72-230,444.48-90,508.24

Finding the Fourth Proportional to 166,986.72, 230,444.48 and 90,508.24

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Solution

The fourth proportional to 166,986.72, 230,444.48 and 90,508.24 is: 124,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,986.72 : 230,444.48 = 90,508.24 : x
  2. Step 2: Convert to fraction form
    166,986.72/230,444.48 = 90,508.24/x
  3. Step 3: Cross multiply
    166,986.72x = 230,444.48 × 90,508.24
  4. Step 4: Simplify right side
    166,986.72x = 20,857,124,302.52
  5. Step 5: Solve for x
    x = 20,857,124,302.52/166,986.72
  6. Step 6: Final answer
    x = 124,902.89

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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.