Home / 192,769.65-289,174.08-66,393.45

Finding the Fourth Proportional to 192,769.65, 289,174.08 and 66,393.45

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Solution

The fourth proportional to 192,769.65, 289,174.08 and 66,393.45 is: 99,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.65 : 289,174.08 = 66,393.45 : x
  2. Step 2: Convert to fraction form
    192,769.65/289,174.08 = 66,393.45/x
  3. Step 3: Cross multiply
    192,769.65x = 289,174.08 × 66,393.45
  4. Step 4: Simplify right side
    192,769.65x = 19,199,264,821.78
  5. Step 5: Solve for x
    x = 19,199,264,821.78/192,769.65
  6. Step 6: Final answer
    x = 99,596.93

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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.