Home / 189,890.20-285,004.26-101,216.92

Finding the Fourth Proportional to 189,890.20, 285,004.26 and 101,216.92

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Solution

The fourth proportional to 189,890.20, 285,004.26 and 101,216.92 is: 151,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,890.20 : 285,004.26 = 101,216.92 : x
  2. Step 2: Convert to fraction form
    189,890.20/285,004.26 = 101,216.92/x
  3. Step 3: Cross multiply
    189,890.20x = 285,004.26 × 101,216.92
  4. Step 4: Simplify right side
    189,890.20x = 28,847,253,384.08
  5. Step 5: Solve for x
    x = 28,847,253,384.08/189,890.20
  6. Step 6: Final answer
    x = 151,915.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.