Home / 192,684.12-288,996.96-66,304.68

Finding the Fourth Proportional to 192,684.12, 288,996.96 and 66,304.68

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Solution

The fourth proportional to 192,684.12, 288,996.96 and 66,304.68 is: 99,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,684.12 : 288,996.96 = 66,304.68 : x
  2. Step 2: Convert to fraction form
    192,684.12/288,996.96 = 66,304.68/x
  3. Step 3: Cross multiply
    192,684.12x = 288,996.96 × 66,304.68
  4. Step 4: Simplify right side
    192,684.12x = 19,161,850,953.77
  5. Step 5: Solve for x
    x = 19,161,850,953.77/192,684.12
  6. Step 6: Final answer
    x = 99,446.97

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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.