Home / 122,408.12-183,439.85-97,336.80

Finding the Fourth Proportional to 122,408.12, 183,439.85 and 97,336.80

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Solution

The fourth proportional to 122,408.12, 183,439.85 and 97,336.80 is: 145,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,408.12 : 183,439.85 = 97,336.80 : x
  2. Step 2: Convert to fraction form
    122,408.12/183,439.85 = 97,336.80/x
  3. Step 3: Cross multiply
    122,408.12x = 183,439.85 × 97,336.80
  4. Step 4: Simplify right side
    122,408.12x = 17,855,447,504.80
  5. Step 5: Solve for x
    x = 17,855,447,504.80/122,408.12
  6. Step 6: Final answer
    x = 145,868.16

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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.