Home / 133,429.29-184,102.31-79,703.82

Finding the Fourth Proportional to 133,429.29, 184,102.31 and 79,703.82

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Solution

The fourth proportional to 133,429.29, 184,102.31 and 79,703.82 is: 109,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,429.29 : 184,102.31 = 79,703.82 : x
  2. Step 2: Convert to fraction form
    133,429.29/184,102.31 = 79,703.82/x
  3. Step 3: Cross multiply
    133,429.29x = 184,102.31 × 79,703.82
  4. Step 4: Simplify right side
    133,429.29x = 14,673,656,979.31
  5. Step 5: Solve for x
    x = 14,673,656,979.31/133,429.29
  6. Step 6: Final answer
    x = 109,973.28

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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.