Home / 222,327.55-306,811.69-120,352.51

Finding the Fourth Proportional to 222,327.55, 306,811.69 and 120,352.51

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Solution

The fourth proportional to 222,327.55, 306,811.69 and 120,352.51 is: 166,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,327.55 : 306,811.69 = 120,352.51 : x
  2. Step 2: Convert to fraction form
    222,327.55/306,811.69 = 120,352.51/x
  3. Step 3: Cross multiply
    222,327.55x = 306,811.69 × 120,352.51
  4. Step 4: Simplify right side
    222,327.55x = 36,925,556,988.84
  5. Step 5: Solve for x
    x = 36,925,556,988.84/222,327.55
  6. Step 6: Final answer
    x = 166,086.29

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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.