Home / 129,586.60-194,466.30-59,429.80

Finding the Fourth Proportional to 129,586.60, 194,466.30 and 59,429.80

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Solution

The fourth proportional to 129,586.60, 194,466.30 and 59,429.80 is: 89,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,586.60 : 194,466.30 = 59,429.80 : x
  2. Step 2: Convert to fraction form
    129,586.60/194,466.30 = 59,429.80/x
  3. Step 3: Cross multiply
    129,586.60x = 194,466.30 × 59,429.80
  4. Step 4: Simplify right side
    129,586.60x = 11,557,093,315.74
  5. Step 5: Solve for x
    x = 11,557,093,315.74/129,586.60
  6. Step 6: Final answer
    x = 89,184.32

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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.