Home / 122,666.93-183,812.61-82,537.29

Finding the Fourth Proportional to 122,666.93, 183,812.61 and 82,537.29

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Solution

The fourth proportional to 122,666.93, 183,812.61 and 82,537.29 is: 123,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.93 : 183,812.61 = 82,537.29 : x
  2. Step 2: Convert to fraction form
    122,666.93/183,812.61 = 82,537.29/x
  3. Step 3: Cross multiply
    122,666.93x = 183,812.61 × 82,537.29
  4. Step 4: Simplify right side
    122,666.93x = 15,171,394,697.23
  5. Step 5: Solve for x
    x = 15,171,394,697.23/122,666.93
  6. Step 6: Final answer
    x = 123,679.59

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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.