Home / 185,825.25-256,439.52-109,347.30

Finding the Fourth Proportional to 185,825.25, 256,439.52 and 109,347.30

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Solution

The fourth proportional to 185,825.25, 256,439.52 and 109,347.30 is: 150,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,825.25 : 256,439.52 = 109,347.30 : x
  2. Step 2: Convert to fraction form
    185,825.25/256,439.52 = 109,347.30/x
  3. Step 3: Cross multiply
    185,825.25x = 256,439.52 × 109,347.30
  4. Step 4: Simplify right side
    185,825.25x = 28,040,969,125.30
  5. Step 5: Solve for x
    x = 28,040,969,125.30/185,825.25
  6. Step 6: Final answer
    x = 150,899.67

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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.