Home / 122,713.40-183,882.24-82,583.92

Finding the Fourth Proportional to 122,713.40, 183,882.24 and 82,583.92

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Solution

The fourth proportional to 122,713.40, 183,882.24 and 82,583.92 is: 123,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,713.40 : 183,882.24 = 82,583.92 : x
  2. Step 2: Convert to fraction form
    122,713.40/183,882.24 = 82,583.92/x
  3. Step 3: Cross multiply
    122,713.40x = 183,882.24 × 82,583.92
  4. Step 4: Simplify right side
    122,713.40x = 15,185,715,737.88
  5. Step 5: Solve for x
    x = 15,185,715,737.88/122,713.40
  6. Step 6: Final answer
    x = 123,749.45

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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.