Home / 222,047.19-306,429.62-121,451.67

Finding the Fourth Proportional to 222,047.19, 306,429.62 and 121,451.67

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Solution

The fourth proportional to 222,047.19, 306,429.62 and 121,451.67 is: 167,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,047.19 : 306,429.62 = 121,451.67 : x
  2. Step 2: Convert to fraction form
    222,047.19/306,429.62 = 121,451.67/x
  3. Step 3: Cross multiply
    222,047.19x = 306,429.62 × 121,451.67
  4. Step 4: Simplify right side
    222,047.19x = 37,216,388,479.21
  5. Step 5: Solve for x
    x = 37,216,388,479.21/222,047.19
  6. Step 6: Final answer
    x = 167,605.76

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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.