Home / 129,786.60-194,766.30-59,629.80

Finding the Fourth Proportional to 129,786.60, 194,766.30 and 59,629.80

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Solution

The fourth proportional to 129,786.60, 194,766.30 and 59,629.80 is: 89,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,786.60 : 194,766.30 = 59,629.80 : x
  2. Step 2: Convert to fraction form
    129,786.60/194,766.30 = 59,629.80/x
  3. Step 3: Cross multiply
    129,786.60x = 194,766.30 × 59,629.80
  4. Step 4: Simplify right side
    129,786.60x = 11,613,875,515.74
  5. Step 5: Solve for x
    x = 11,613,875,515.74/129,786.60
  6. Step 6: Final answer
    x = 89,484.40

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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.