Home / 122,172.12-183,278.04-43,269.24

Finding the Fourth Proportional to 122,172.12, 183,278.04 and 43,269.24

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Solution

The fourth proportional to 122,172.12, 183,278.04 and 43,269.24 is: 64,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,172.12 : 183,278.04 = 43,269.24 : x
  2. Step 2: Convert to fraction form
    122,172.12/183,278.04 = 43,269.24/x
  3. Step 3: Cross multiply
    122,172.12x = 183,278.04 × 43,269.24
  4. Step 4: Simplify right side
    122,172.12x = 7,930,301,499.49
  5. Step 5: Solve for x
    x = 7,930,301,499.49/122,172.12
  6. Step 6: Final answer
    x = 64,910.89

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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.