Home / 177,821.24-266,871.96-78,050.30

Finding the Fourth Proportional to 177,821.24, 266,871.96 and 78,050.30

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Solution

The fourth proportional to 177,821.24, 266,871.96 and 78,050.30 is: 117,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,821.24 : 266,871.96 = 78,050.30 : x
  2. Step 2: Convert to fraction form
    177,821.24/266,871.96 = 78,050.30/x
  3. Step 3: Cross multiply
    177,821.24x = 266,871.96 × 78,050.30
  4. Step 4: Simplify right side
    177,821.24x = 20,829,435,205.23
  5. Step 5: Solve for x
    x = 20,829,435,205.23/177,821.24
  6. Step 6: Final answer
    x = 117,136.94

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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.