Home / 222,150.06-306,565.56-121,548.06

Finding the Fourth Proportional to 222,150.06, 306,565.56 and 121,548.06

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Solution

The fourth proportional to 222,150.06, 306,565.56 and 121,548.06 is: 167,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,150.06 : 306,565.56 = 121,548.06 : x
  2. Step 2: Convert to fraction form
    222,150.06/306,565.56 = 121,548.06/x
  3. Step 3: Cross multiply
    222,150.06x = 306,565.56 × 121,548.06
  4. Step 4: Simplify right side
    222,150.06x = 37,262,449,080.81
  5. Step 5: Solve for x
    x = 37,262,449,080.81/222,150.06
  6. Step 6: Final answer
    x = 167,735.49

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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.