Home / 133,430.29-184,103.68-79,704.82

Finding the Fourth Proportional to 133,430.29, 184,103.68 and 79,704.82

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Solution

The fourth proportional to 133,430.29, 184,103.68 and 79,704.82 is: 109,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.29 : 184,103.68 = 79,704.82 : x
  2. Step 2: Convert to fraction form
    133,430.29/184,103.68 = 79,704.82/x
  3. Step 3: Cross multiply
    133,430.29x = 184,103.68 × 79,704.82
  4. Step 4: Simplify right side
    133,430.29x = 14,673,950,675.74
  5. Step 5: Solve for x
    x = 14,673,950,675.74/133,430.29
  6. Step 6: Final answer
    x = 109,974.66

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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.