Home / 192,569.27-288,853.65-74,157.57

Finding the Fourth Proportional to 192,569.27, 288,853.65 and 74,157.57

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Solution

The fourth proportional to 192,569.27, 288,853.65 and 74,157.57 is: 111,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,569.27 : 288,853.65 = 74,157.57 : x
  2. Step 2: Convert to fraction form
    192,569.27/288,853.65 = 74,157.57/x
  3. Step 3: Cross multiply
    192,569.27x = 288,853.65 × 74,157.57
  4. Step 4: Simplify right side
    192,569.27x = 21,420,684,769.63
  5. Step 5: Solve for x
    x = 21,420,684,769.63/192,569.27
  6. Step 6: Final answer
    x = 111,236.26

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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.