Home / 166,194.56-229,348.48-90,743.12

Finding the Fourth Proportional to 166,194.56, 229,348.48 and 90,743.12

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Solution

The fourth proportional to 166,194.56, 229,348.48 and 90,743.12 is: 125,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,194.56 : 229,348.48 = 90,743.12 : x
  2. Step 2: Convert to fraction form
    166,194.56/229,348.48 = 90,743.12/x
  3. Step 3: Cross multiply
    166,194.56x = 229,348.48 × 90,743.12
  4. Step 4: Simplify right side
    166,194.56x = 20,811,796,642.46
  5. Step 5: Solve for x
    x = 20,811,796,642.46/166,194.56
  6. Step 6: Final answer
    x = 125,225.50

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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.