Home / 184,610.40-276,721.20-72,247.20

Finding the Fourth Proportional to 184,610.40, 276,721.20 and 72,247.20

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Solution

The fourth proportional to 184,610.40, 276,721.20 and 72,247.20 is: 108,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,610.40 : 276,721.20 = 72,247.20 : x
  2. Step 2: Convert to fraction form
    184,610.40/276,721.20 = 72,247.20/x
  3. Step 3: Cross multiply
    184,610.40x = 276,721.20 × 72,247.20
  4. Step 4: Simplify right side
    184,610.40x = 19,992,331,880.64
  5. Step 5: Solve for x
    x = 19,992,331,880.64/184,610.40
  6. Step 6: Final answer
    x = 108,294.72

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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.