Home / 180,119.52-269,887.68-109,785.60

Finding the Fourth Proportional to 180,119.52, 269,887.68 and 109,785.60

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Solution

The fourth proportional to 180,119.52, 269,887.68 and 109,785.60 is: 164,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,119.52 : 269,887.68 = 109,785.60 : x
  2. Step 2: Convert to fraction form
    180,119.52/269,887.68 = 109,785.60/x
  3. Step 3: Cross multiply
    180,119.52x = 269,887.68 × 109,785.60
  4. Step 4: Simplify right side
    180,119.52x = 29,629,780,881.41
  5. Step 5: Solve for x
    x = 29,629,780,881.41/180,119.52
  6. Step 6: Final answer
    x = 164,500.67

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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.