Home / 268,990.24-403,485.27-89,027.32

Finding the Fourth Proportional to 268,990.24, 403,485.27 and 89,027.32

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Solution

The fourth proportional to 268,990.24, 403,485.27 and 89,027.32 is: 133,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,990.24 : 403,485.27 = 89,027.32 : x
  2. Step 2: Convert to fraction form
    268,990.24/403,485.27 = 89,027.32/x
  3. Step 3: Cross multiply
    268,990.24x = 403,485.27 × 89,027.32
  4. Step 4: Simplify right side
    268,990.24x = 35,921,212,247.58
  5. Step 5: Solve for x
    x = 35,921,212,247.58/268,990.24
  6. Step 6: Final answer
    x = 133,540.95

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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.