Home / 222,636.21-307,234.53-120,658.83

Finding the Fourth Proportional to 222,636.21, 307,234.53 and 120,658.83

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Solution

The fourth proportional to 222,636.21, 307,234.53 and 120,658.83 is: 166,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,636.21 : 307,234.53 = 120,658.83 : x
  2. Step 2: Convert to fraction form
    222,636.21/307,234.53 = 120,658.83/x
  3. Step 3: Cross multiply
    222,636.21x = 307,234.53 × 120,658.83
  4. Step 4: Simplify right side
    222,636.21x = 37,070,558,925.40
  5. Step 5: Solve for x
    x = 37,070,558,925.40/222,636.21
  6. Step 6: Final answer
    x = 166,507.32

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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.