Home / 166,770.56-230,143.44-90,289.65

Finding the Fourth Proportional to 166,770.56, 230,143.44 and 90,289.65

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Solution

The fourth proportional to 166,770.56, 230,143.44 and 90,289.65 is: 124,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.56 : 230,143.44 = 90,289.65 : x
  2. Step 2: Convert to fraction form
    166,770.56/230,143.44 = 90,289.65/x
  3. Step 3: Cross multiply
    166,770.56x = 230,143.44 × 90,289.65
  4. Step 4: Simplify right side
    166,770.56x = 20,779,570,647.40
  5. Step 5: Solve for x
    x = 20,779,570,647.40/166,770.56
  6. Step 6: Final answer
    x = 124,599.76

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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.