Home / 133,629.56-184,411.77-76,267.74

Finding the Fourth Proportional to 133,629.56, 184,411.77 and 76,267.74

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Solution

The fourth proportional to 133,629.56, 184,411.77 and 76,267.74 is: 105,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,629.56 : 184,411.77 = 76,267.74 : x
  2. Step 2: Convert to fraction form
    133,629.56/184,411.77 = 76,267.74/x
  3. Step 3: Cross multiply
    133,629.56x = 184,411.77 × 76,267.74
  4. Step 4: Simplify right side
    133,629.56x = 14,064,667,949.75
  5. Step 5: Solve for x
    x = 14,064,667,949.75/133,629.56
  6. Step 6: Final answer
    x = 105,251.17

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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.