Home / 188,849.56-260,579.28-113,399.68

Finding the Fourth Proportional to 188,849.56, 260,579.28 and 113,399.68

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Solution

The fourth proportional to 188,849.56, 260,579.28 and 113,399.68 is: 156,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,849.56 : 260,579.28 = 113,399.68 : x
  2. Step 2: Convert to fraction form
    188,849.56/260,579.28 = 113,399.68/x
  3. Step 3: Cross multiply
    188,849.56x = 260,579.28 × 113,399.68
  4. Step 4: Simplify right side
    188,849.56x = 29,549,606,966.63
  5. Step 5: Solve for x
    x = 29,549,606,966.63/188,849.56
  6. Step 6: Final answer
    x = 156,471.67

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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.