Home / 136,880.38-187,522.94-131,763.34

Finding the Fourth Proportional to 136,880.38, 187,522.94 and 131,763.34

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Solution

The fourth proportional to 136,880.38, 187,522.94 and 131,763.34 is: 180,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,880.38 : 187,522.94 = 131,763.34 : x
  2. Step 2: Convert to fraction form
    136,880.38/187,522.94 = 131,763.34/x
  3. Step 3: Cross multiply
    136,880.38x = 187,522.94 × 131,763.34
  4. Step 4: Simplify right side
    136,880.38x = 24,708,648,901.02
  5. Step 5: Solve for x
    x = 24,708,648,901.02/136,880.38
  6. Step 6: Final answer
    x = 180,512.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.