Home / 222,235.51-306,682.65-120,258.73

Finding the Fourth Proportional to 222,235.51, 306,682.65 and 120,258.73

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Solution

The fourth proportional to 222,235.51, 306,682.65 and 120,258.73 is: 165,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,235.51 : 306,682.65 = 120,258.73 : x
  2. Step 2: Convert to fraction form
    222,235.51/306,682.65 = 120,258.73/x
  3. Step 3: Cross multiply
    222,235.51x = 306,682.65 × 120,258.73
  4. Step 4: Simplify right side
    222,235.51x = 36,881,266,002.03
  5. Step 5: Solve for x
    x = 36,881,266,002.03/222,235.51
  6. Step 6: Final answer
    x = 165,955.77

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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.