Home / 222,922.96-307,632.84-122,322.64

Finding the Fourth Proportional to 222,922.96, 307,632.84 and 122,322.64

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Solution

The fourth proportional to 222,922.96, 307,632.84 and 122,322.64 is: 168,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,922.96 : 307,632.84 = 122,322.64 : x
  2. Step 2: Convert to fraction form
    222,922.96/307,632.84 = 122,322.64/x
  3. Step 3: Cross multiply
    222,922.96x = 307,632.84 × 122,322.64
  4. Step 4: Simplify right side
    222,922.96x = 37,630,461,139.50
  5. Step 5: Solve for x
    x = 37,630,461,139.50/222,922.96
  6. Step 6: Final answer
    x = 168,804.78

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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.