Home / 192,769.26-289,082.07-66,374.16

Finding the Fourth Proportional to 192,769.26, 289,082.07 and 66,374.16

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Solution

The fourth proportional to 192,769.26, 289,082.07 and 66,374.16 is: 99,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.26 : 289,082.07 = 66,374.16 : x
  2. Step 2: Convert to fraction form
    192,769.26/289,082.07 = 66,374.16/x
  3. Step 3: Cross multiply
    192,769.26x = 289,082.07 × 66,374.16
  4. Step 4: Simplify right side
    192,769.26x = 19,187,579,567.31
  5. Step 5: Solve for x
    x = 19,187,579,567.31/192,769.26
  6. Step 6: Final answer
    x = 99,536.51

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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.