Home / 166,819.49-230,211.01-90,339.18

Finding the Fourth Proportional to 166,819.49, 230,211.01 and 90,339.18

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Solution

The fourth proportional to 166,819.49, 230,211.01 and 90,339.18 is: 124,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,819.49 : 230,211.01 = 90,339.18 : x
  2. Step 2: Convert to fraction form
    166,819.49/230,211.01 = 90,339.18/x
  3. Step 3: Cross multiply
    166,819.49x = 230,211.01 × 90,339.18
  4. Step 4: Simplify right side
    166,819.49x = 20,797,073,644.52
  5. Step 5: Solve for x
    x = 20,797,073,644.52/166,819.49
  6. Step 6: Final answer
    x = 124,668.13

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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.