Home / 122,425.56-183,496.20-69,871.96

Finding the Fourth Proportional to 122,425.56, 183,496.20 and 69,871.96

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Solution

The fourth proportional to 122,425.56, 183,496.20 and 69,871.96 is: 104,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,425.56 : 183,496.20 = 69,871.96 : x
  2. Step 2: Convert to fraction form
    122,425.56/183,496.20 = 69,871.96/x
  3. Step 3: Cross multiply
    122,425.56x = 183,496.20 × 69,871.96
  4. Step 4: Simplify right side
    122,425.56x = 12,821,239,146.55
  5. Step 5: Solve for x
    x = 12,821,239,146.55/122,425.56
  6. Step 6: Final answer
    x = 104,726.82

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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.