Home / 222,359.82-306,854.41-120,382.67

Finding the Fourth Proportional to 222,359.82, 306,854.41 and 120,382.67

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Solution

The fourth proportional to 222,359.82, 306,854.41 and 120,382.67 is: 166,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,359.82 : 306,854.41 = 120,382.67 : x
  2. Step 2: Convert to fraction form
    222,359.82/306,854.41 = 120,382.67/x
  3. Step 3: Cross multiply
    222,359.82x = 306,854.41 × 120,382.67
  4. Step 4: Simplify right side
    222,359.82x = 36,939,953,177.07
  5. Step 5: Solve for x
    x = 36,939,953,177.07/222,359.82
  6. Step 6: Final answer
    x = 166,126.93

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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.