Home / 119,427.39-177,731.37-115,441.56

Finding the Fourth Proportional to 119,427.39, 177,731.37 and 115,441.56

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Solution

The fourth proportional to 119,427.39, 177,731.37 and 115,441.56 is: 171,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,427.39 : 177,731.37 = 115,441.56 : x
  2. Step 2: Convert to fraction form
    119,427.39/177,731.37 = 115,441.56/x
  3. Step 3: Cross multiply
    119,427.39x = 177,731.37 × 115,441.56
  4. Step 4: Simplify right side
    119,427.39x = 20,517,586,613.74
  5. Step 5: Solve for x
    x = 20,517,586,613.74/119,427.39
  6. Step 6: Final answer
    x = 171,799.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.