Home / 129,272.76-193,911.57-40,524.30

Finding the Fourth Proportional to 129,272.76, 193,911.57 and 40,524.30

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Solution

The fourth proportional to 129,272.76, 193,911.57 and 40,524.30 is: 60,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272.76 : 193,911.57 = 40,524.30 : x
  2. Step 2: Convert to fraction form
    129,272.76/193,911.57 = 40,524.30/x
  3. Step 3: Cross multiply
    129,272.76x = 193,911.57 × 40,524.30
  4. Step 4: Simplify right side
    129,272.76x = 7,858,130,636.15
  5. Step 5: Solve for x
    x = 7,858,130,636.15/129,272.76
  6. Step 6: Final answer
    x = 60,787.21

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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.