Home / 129,197.45-193,824.12-39,232.77

Finding the Fourth Proportional to 129,197.45, 193,824.12 and 39,232.77

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Solution

The fourth proportional to 129,197.45, 193,824.12 and 39,232.77 is: 58,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,197.45 : 193,824.12 = 39,232.77 : x
  2. Step 2: Convert to fraction form
    129,197.45/193,824.12 = 39,232.77/x
  3. Step 3: Cross multiply
    129,197.45x = 193,824.12 × 39,232.77
  4. Step 4: Simplify right side
    129,197.45x = 7,604,257,120.41
  5. Step 5: Solve for x
    x = 7,604,257,120.41/129,197.45
  6. Step 6: Final answer
    x = 58,857.64

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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.