Home / 192,923.68-289,829.08-136,128.32

Finding the Fourth Proportional to 192,923.68, 289,829.08 and 136,128.32

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Solution

The fourth proportional to 192,923.68, 289,829.08 and 136,128.32 is: 204,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,923.68 : 289,829.08 = 136,128.32 : x
  2. Step 2: Convert to fraction form
    192,923.68/289,829.08 = 136,128.32/x
  3. Step 3: Cross multiply
    192,923.68x = 289,829.08 × 136,128.32
  4. Step 4: Simplify right side
    192,923.68x = 39,453,945,747.55
  5. Step 5: Solve for x
    x = 39,453,945,747.55/192,923.68
  6. Step 6: Final answer
    x = 204,505.46

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1.5x scale

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.