Home / 222,152.06-306,568.32-121,550.06

Finding the Fourth Proportional to 222,152.06, 306,568.32 and 121,550.06

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Solution

The fourth proportional to 222,152.06, 306,568.32 and 121,550.06 is: 167,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,152.06 : 306,568.32 = 121,550.06 : x
  2. Step 2: Convert to fraction form
    222,152.06/306,568.32 = 121,550.06/x
  3. Step 3: Cross multiply
    222,152.06x = 306,568.32 × 121,550.06
  4. Step 4: Simplify right side
    222,152.06x = 37,263,397,690.10
  5. Step 5: Solve for x
    x = 37,263,397,690.10/222,152.06
  6. Step 6: Final answer
    x = 167,738.25

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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.