Home / 192,938.34-266,299.20-128,410.33

Finding the Fourth Proportional to 192,938.34, 266,299.20 and 128,410.33

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Solution

The fourth proportional to 192,938.34, 266,299.20 and 128,410.33 is: 177,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,938.34 : 266,299.20 = 128,410.33 : x
  2. Step 2: Convert to fraction form
    192,938.34/266,299.20 = 128,410.33/x
  3. Step 3: Cross multiply
    192,938.34x = 266,299.20 × 128,410.33
  4. Step 4: Simplify right side
    192,938.34x = 34,195,568,636.31
  5. Step 5: Solve for x
    x = 34,195,568,636.31/192,938.34
  6. Step 6: Final answer
    x = 177,235.74

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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.