Home / 222,438.18-306,964.23-120,463.32

Finding the Fourth Proportional to 222,438.18, 306,964.23 and 120,463.32

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Solution

The fourth proportional to 222,438.18, 306,964.23 and 120,463.32 is: 166,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,438.18 : 306,964.23 = 120,463.32 : x
  2. Step 2: Convert to fraction form
    222,438.18/306,964.23 = 120,463.32/x
  3. Step 3: Cross multiply
    222,438.18x = 306,964.23 × 120,463.32
  4. Step 4: Simplify right side
    222,438.18x = 36,977,930,267.04
  5. Step 5: Solve for x
    x = 36,977,930,267.04/222,438.18
  6. Step 6: Final answer
    x = 166,239.13

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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.