Home / 184,478.19-276,717.36-142,419.69

Finding the Fourth Proportional to 184,478.19, 276,717.36 and 142,419.69

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Solution

The fourth proportional to 184,478.19, 276,717.36 and 142,419.69 is: 213,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,478.19 : 276,717.36 = 142,419.69 : x
  2. Step 2: Convert to fraction form
    184,478.19/276,717.36 = 142,419.69/x
  3. Step 3: Cross multiply
    184,478.19x = 276,717.36 × 142,419.69
  4. Step 4: Simplify right side
    184,478.19x = 39,410,000,628.82
  5. Step 5: Solve for x
    x = 39,410,000,628.82/184,478.19
  6. Step 6: Final answer
    x = 213,629.59

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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.