Home / 222,597.60-307,182.96-121,995.36

Finding the Fourth Proportional to 222,597.60, 307,182.96 and 121,995.36

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Solution

The fourth proportional to 222,597.60, 307,182.96 and 121,995.36 is: 168,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,597.60 : 307,182.96 = 121,995.36 : x
  2. Step 2: Convert to fraction form
    222,597.60/307,182.96 = 121,995.36/x
  3. Step 3: Cross multiply
    222,597.60x = 307,182.96 × 121,995.36
  4. Step 4: Simplify right side
    222,597.60x = 37,474,895,791.07
  5. Step 5: Solve for x
    x = 37,474,895,791.07/222,597.60
  6. Step 6: Final answer
    x = 168,352.65

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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.