Home / 189,346.82-283,749.58-139,032.15

Finding the Fourth Proportional to 189,346.82, 283,749.58 and 139,032.15

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Solution

The fourth proportional to 189,346.82, 283,749.58 and 139,032.15 is: 208,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,346.82 : 283,749.58 = 139,032.15 : x
  2. Step 2: Convert to fraction form
    189,346.82/283,749.58 = 139,032.15/x
  3. Step 3: Cross multiply
    189,346.82x = 283,749.58 × 139,032.15
  4. Step 4: Simplify right side
    189,346.82x = 39,450,313,278.73
  5. Step 5: Solve for x
    x = 39,450,313,278.73/189,346.82
  6. Step 6: Final answer
    x = 208,349.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.