Home / 132,991.89-183,596.49-102,709.23

Finding the Fourth Proportional to 132,991.89, 183,596.49 and 102,709.23

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Solution

The fourth proportional to 132,991.89, 183,596.49 and 102,709.23 is: 141,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.89 : 183,596.49 = 102,709.23 : x
  2. Step 2: Convert to fraction form
    132,991.89/183,596.49 = 102,709.23/x
  3. Step 3: Cross multiply
    132,991.89x = 183,596.49 × 102,709.23
  4. Step 4: Simplify right side
    132,991.89x = 18,857,054,118.60
  5. Step 5: Solve for x
    x = 18,857,054,118.60/132,991.89
  6. Step 6: Final answer
    x = 141,791.01

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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.