Home / 129,818.60-194,670.30-59,661.80

Finding the Fourth Proportional to 129,818.60, 194,670.30 and 59,661.80

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Solution

The fourth proportional to 129,818.60, 194,670.30 and 59,661.80 is: 89,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,818.60 : 194,670.30 = 59,661.80 : x
  2. Step 2: Convert to fraction form
    129,818.60/194,670.30 = 59,661.80/x
  3. Step 3: Cross multiply
    129,818.60x = 194,670.30 × 59,661.80
  4. Step 4: Simplify right side
    129,818.60x = 11,614,380,504.54
  5. Step 5: Solve for x
    x = 11,614,380,504.54/129,818.60
  6. Step 6: Final answer
    x = 89,466.23

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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.