Home / 133,428.43-184,101.09-79,702.93

Finding the Fourth Proportional to 133,428.43, 184,101.09 and 79,702.93

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Solution

The fourth proportional to 133,428.43, 184,101.09 and 79,702.93 is: 109,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,428.43 : 184,101.09 = 79,702.93 : x
  2. Step 2: Convert to fraction form
    133,428.43/184,101.09 = 79,702.93/x
  3. Step 3: Cross multiply
    133,428.43x = 184,101.09 × 79,702.93
  4. Step 4: Simplify right side
    133,428.43x = 14,673,396,289.19
  5. Step 5: Solve for x
    x = 14,673,396,289.19/133,428.43
  6. Step 6: Final answer
    x = 109,972.04

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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.