Home / 123,609.85-184,906.96-98,698.55

Finding the Fourth Proportional to 123,609.85, 184,906.96 and 98,698.55

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Solution

The fourth proportional to 123,609.85, 184,906.96 and 98,698.55 is: 147,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,609.85 : 184,906.96 = 98,698.55 : x
  2. Step 2: Convert to fraction form
    123,609.85/184,906.96 = 98,698.55/x
  3. Step 3: Cross multiply
    123,609.85x = 184,906.96 × 98,698.55
  4. Step 4: Simplify right side
    123,609.85x = 18,250,048,836.91
  5. Step 5: Solve for x
    x = 18,250,048,836.91/123,609.85
  6. Step 6: Final answer
    x = 147,642.35

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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.