Home / 180,955.80-271,302.48-121,644.36

Finding the Fourth Proportional to 180,955.80, 271,302.48 and 121,644.36

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Solution

The fourth proportional to 180,955.80, 271,302.48 and 121,644.36 is: 182,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,955.80 : 271,302.48 = 121,644.36 : x
  2. Step 2: Convert to fraction form
    180,955.80/271,302.48 = 121,644.36/x
  3. Step 3: Cross multiply
    180,955.80x = 271,302.48 × 121,644.36
  4. Step 4: Simplify right side
    180,955.80x = 33,002,416,546.01
  5. Step 5: Solve for x
    x = 33,002,416,546.01/180,955.80
  6. Step 6: Final answer
    x = 182,378.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.