Home / 123,065.38-184,527.60-73,180.32

Finding the Fourth Proportional to 123,065.38, 184,527.60 and 73,180.32

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Solution

The fourth proportional to 123,065.38, 184,527.60 and 73,180.32 is: 109,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,065.38 : 184,527.60 = 73,180.32 : x
  2. Step 2: Convert to fraction form
    123,065.38/184,527.60 = 73,180.32/x
  3. Step 3: Cross multiply
    123,065.38x = 184,527.60 × 73,180.32
  4. Step 4: Simplify right side
    123,065.38x = 13,503,788,816.83
  5. Step 5: Solve for x
    x = 13,503,788,816.83/123,065.38
  6. Step 6: Final answer
    x = 109,728.58

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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.