Home / 136,098.96-187,816.39-75,667.69

Finding the Fourth Proportional to 136,098.96, 187,816.39 and 75,667.69

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Solution

The fourth proportional to 136,098.96, 187,816.39 and 75,667.69 is: 104,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,098.96 : 187,816.39 = 75,667.69 : x
  2. Step 2: Convert to fraction form
    136,098.96/187,816.39 = 75,667.69/x
  3. Step 3: Cross multiply
    136,098.96x = 187,816.39 × 75,667.69
  4. Step 4: Simplify right side
    136,098.96x = 14,211,632,375.44
  5. Step 5: Solve for x
    x = 14,211,632,375.44/136,098.96
  6. Step 6: Final answer
    x = 104,421.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.