Home / 184,499.40-276,749.10-128,220.60

Finding the Fourth Proportional to 184,499.40, 276,749.10 and 128,220.60

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Solution

The fourth proportional to 184,499.40, 276,749.10 and 128,220.60 is: 192,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,499.40 : 276,749.10 = 128,220.60 : x
  2. Step 2: Convert to fraction form
    184,499.40/276,749.10 = 128,220.60/x
  3. Step 3: Cross multiply
    184,499.40x = 276,749.10 × 128,220.60
  4. Step 4: Simplify right side
    184,499.40x = 35,484,935,651.46
  5. Step 5: Solve for x
    x = 35,484,935,651.46/184,499.40
  6. Step 6: Final answer
    x = 192,330.90

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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.