Home / 122,475.10-183,485.85-69,727.90

Finding the Fourth Proportional to 122,475.10, 183,485.85 and 69,727.90

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Solution

The fourth proportional to 122,475.10, 183,485.85 and 69,727.90 is: 104,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.10 : 183,485.85 = 69,727.90 : x
  2. Step 2: Convert to fraction form
    122,475.10/183,485.85 = 69,727.90/x
  3. Step 3: Cross multiply
    122,475.10x = 183,485.85 × 69,727.90
  4. Step 4: Simplify right side
    122,475.10x = 12,794,083,000.22
  5. Step 5: Solve for x
    x = 12,794,083,000.22/122,475.10
  6. Step 6: Final answer
    x = 104,462.73

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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.