Home / 133,606.40-184,334.88-77,009.92

Finding the Fourth Proportional to 133,606.40, 184,334.88 and 77,009.92

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Solution

The fourth proportional to 133,606.40, 184,334.88 and 77,009.92 is: 106,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,606.40 : 184,334.88 = 77,009.92 : x
  2. Step 2: Convert to fraction form
    133,606.40/184,334.88 = 77,009.92/x
  3. Step 3: Cross multiply
    133,606.40x = 184,334.88 × 77,009.92
  4. Step 4: Simplify right side
    133,606.40x = 14,195,614,362.01
  5. Step 5: Solve for x
    x = 14,195,614,362.01/133,606.40
  6. Step 6: Final answer
    x = 106,249.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.