Home / 184,228.40-276,634.20-139,905.20

Finding the Fourth Proportional to 184,228.40, 276,634.20 and 139,905.20

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Solution

The fourth proportional to 184,228.40, 276,634.20 and 139,905.20 is: 210,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,228.40 : 276,634.20 = 139,905.20 : x
  2. Step 2: Convert to fraction form
    184,228.40/276,634.20 = 139,905.20/x
  3. Step 3: Cross multiply
    184,228.40x = 276,634.20 × 139,905.20
  4. Step 4: Simplify right side
    184,228.40x = 38,702,563,077.84
  5. Step 5: Solve for x
    x = 38,702,563,077.84/184,228.40
  6. Step 6: Final answer
    x = 210,079.24

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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.