Home / 123,000.08-184,558.40-73,178.60

Finding the Fourth Proportional to 123,000.08, 184,558.40 and 73,178.60

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Solution

The fourth proportional to 123,000.08, 184,558.40 and 73,178.60 is: 109,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,000.08 : 184,558.40 = 73,178.60 : x
  2. Step 2: Convert to fraction form
    123,000.08/184,558.40 = 73,178.60/x
  3. Step 3: Cross multiply
    123,000.08x = 184,558.40 × 73,178.60
  4. Step 4: Simplify right side
    123,000.08x = 13,505,725,330.24
  5. Step 5: Solve for x
    x = 13,505,725,330.24/123,000.08
  6. Step 6: Final answer
    x = 109,802.57

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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.