Home / 185,453.42-278,214.71-84,258.56

Finding the Fourth Proportional to 185,453.42, 278,214.71 and 84,258.56

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Solution

The fourth proportional to 185,453.42, 278,214.71 and 84,258.56 is: 126,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,453.42 : 278,214.71 = 84,258.56 : x
  2. Step 2: Convert to fraction form
    185,453.42/278,214.71 = 84,258.56/x
  3. Step 3: Cross multiply
    185,453.42x = 278,214.71 × 84,258.56
  4. Step 4: Simplify right side
    185,453.42x = 23,441,969,023.05
  5. Step 5: Solve for x
    x = 23,441,969,023.05/185,453.42
  6. Step 6: Final answer
    x = 126,403.54

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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.