Home / 223,895.20-335,919.60-99,325.60

Finding the Fourth Proportional to 223,895.20, 335,919.60 and 99,325.60

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Solution

The fourth proportional to 223,895.20, 335,919.60 and 99,325.60 is: 149,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,895.20 : 335,919.60 = 99,325.60 : x
  2. Step 2: Convert to fraction form
    223,895.20/335,919.60 = 99,325.60/x
  3. Step 3: Cross multiply
    223,895.20x = 335,919.60 × 99,325.60
  4. Step 4: Simplify right side
    223,895.20x = 33,365,415,821.76
  5. Step 5: Solve for x
    x = 33,365,415,821.76/223,895.20
  6. Step 6: Final answer
    x = 149,022.47

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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.