Home / 129,914.91-194,888.77-41,136.68

Finding the Fourth Proportional to 129,914.91, 194,888.77 and 41,136.68

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Solution

The fourth proportional to 129,914.91, 194,888.77 and 41,136.68 is: 61,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.91 : 194,888.77 = 41,136.68 : x
  2. Step 2: Convert to fraction form
    129,914.91/194,888.77 = 41,136.68/x
  3. Step 3: Cross multiply
    129,914.91x = 194,888.77 × 41,136.68
  4. Step 4: Simplify right side
    129,914.91x = 8,017,076,967.08
  5. Step 5: Solve for x
    x = 8,017,076,967.08/129,914.91
  6. Step 6: Final answer
    x = 61,710.21

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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.