Home / 100,825.30-151,237.95-95,904.55

Finding the Fourth Proportional to 100,825.30, 151,237.95 and 95,904.55

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Solution

The fourth proportional to 100,825.30, 151,237.95 and 95,904.55 is: 143,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,825.30 : 151,237.95 = 95,904.55 : x
  2. Step 2: Convert to fraction form
    100,825.30/151,237.95 = 95,904.55/x
  3. Step 3: Cross multiply
    100,825.30x = 151,237.95 × 95,904.55
  4. Step 4: Simplify right side
    100,825.30x = 14,504,407,537.67
  5. Step 5: Solve for x
    x = 14,504,407,537.67/100,825.30
  6. Step 6: Final answer
    x = 143,856.83

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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.