Home / 123,059.20-184,563.60-34,290.40

Finding the Fourth Proportional to 123,059.20, 184,563.60 and 34,290.40

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Solution

The fourth proportional to 123,059.20, 184,563.60 and 34,290.40 is: 51,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,059.20 : 184,563.60 = 34,290.40 : x
  2. Step 2: Convert to fraction form
    123,059.20/184,563.60 = 34,290.40/x
  3. Step 3: Cross multiply
    123,059.20x = 184,563.60 × 34,290.40
  4. Step 4: Simplify right side
    123,059.20x = 6,328,759,669.44
  5. Step 5: Solve for x
    x = 6,328,759,669.44/123,059.20
  6. Step 6: Final answer
    x = 51,428.58

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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.