Home / 133,638.73-184,421.44-79,923.74

Finding the Fourth Proportional to 133,638.73, 184,421.44 and 79,923.74

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Solution

The fourth proportional to 133,638.73, 184,421.44 and 79,923.74 is: 110,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,638.73 : 184,421.44 = 79,923.74 : x
  2. Step 2: Convert to fraction form
    133,638.73/184,421.44 = 79,923.74/x
  3. Step 3: Cross multiply
    133,638.73x = 184,421.44 × 79,923.74
  4. Step 4: Simplify right side
    133,638.73x = 14,739,652,358.47
  5. Step 5: Solve for x
    x = 14,739,652,358.47/133,638.73
  6. Step 6: Final answer
    x = 110,294.77

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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.