Home / 123,038.20-184,557.30-122,260.60

Finding the Fourth Proportional to 123,038.20, 184,557.30 and 122,260.60

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Solution

The fourth proportional to 123,038.20, 184,557.30 and 122,260.60 is: 183,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,038.20 : 184,557.30 = 122,260.60 : x
  2. Step 2: Convert to fraction form
    123,038.20/184,557.30 = 122,260.60/x
  3. Step 3: Cross multiply
    123,038.20x = 184,557.30 × 122,260.60
  4. Step 4: Simplify right side
    123,038.20x = 22,564,086,232.38
  5. Step 5: Solve for x
    x = 22,564,086,232.38/123,038.20
  6. Step 6: Final answer
    x = 183,390.90

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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.