Home / 133,410.81-184,116.91-76,051.50

Finding the Fourth Proportional to 133,410.81, 184,116.91 and 76,051.50

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Solution

The fourth proportional to 133,410.81, 184,116.91 and 76,051.50 is: 104,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,410.81 : 184,116.91 = 76,051.50 : x
  2. Step 2: Convert to fraction form
    133,410.81/184,116.91 = 76,051.50/x
  3. Step 3: Cross multiply
    133,410.81x = 184,116.91 × 76,051.50
  4. Step 4: Simplify right side
    133,410.81x = 14,002,367,180.87
  5. Step 5: Solve for x
    x = 14,002,367,180.87/133,410.81
  6. Step 6: Final answer
    x = 104,956.77

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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.