Home / 133,198.30-183,817.26-79,514.46

Finding the Fourth Proportional to 133,198.30, 183,817.26 and 79,514.46

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Solution

The fourth proportional to 133,198.30, 183,817.26 and 79,514.46 is: 109,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,198.30 : 183,817.26 = 79,514.46 : x
  2. Step 2: Convert to fraction form
    133,198.30/183,817.26 = 79,514.46/x
  3. Step 3: Cross multiply
    133,198.30x = 183,817.26 × 79,514.46
  4. Step 4: Simplify right side
    133,198.30x = 14,616,130,167.58
  5. Step 5: Solve for x
    x = 14,616,130,167.58/133,198.30
  6. Step 6: Final answer
    x = 109,732.11

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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.