Home / 222,340.32-306,831.60-131,701.44

Finding the Fourth Proportional to 222,340.32, 306,831.60 and 131,701.44

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Solution

The fourth proportional to 222,340.32, 306,831.60 and 131,701.44 is: 181,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,340.32 : 306,831.60 = 131,701.44 : x
  2. Step 2: Convert to fraction form
    222,340.32/306,831.60 = 131,701.44/x
  3. Step 3: Cross multiply
    222,340.32x = 306,831.60 × 131,701.44
  4. Step 4: Simplify right side
    222,340.32x = 40,410,163,557.50
  5. Step 5: Solve for x
    x = 40,410,163,557.50/222,340.32
  6. Step 6: Final answer
    x = 181,749.15

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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.