Home / 222,328.56-306,813.08-120,353.52

Finding the Fourth Proportional to 222,328.56, 306,813.08 and 120,353.52

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Solution

The fourth proportional to 222,328.56, 306,813.08 and 120,353.52 is: 166,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,328.56 : 306,813.08 = 120,353.52 : x
  2. Step 2: Convert to fraction form
    222,328.56/306,813.08 = 120,353.52/x
  3. Step 3: Cross multiply
    222,328.56x = 306,813.08 × 120,353.52
  4. Step 4: Simplify right side
    222,328.56x = 36,926,034,160.04
  5. Step 5: Solve for x
    x = 36,926,034,160.04/222,328.56
  6. Step 6: Final answer
    x = 166,087.68

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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.