Home / 167,491.90-231,136.20-92,038.78

Finding the Fourth Proportional to 167,491.90, 231,136.20 and 92,038.78

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Solution

The fourth proportional to 167,491.90, 231,136.20 and 92,038.78 is: 127,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,491.90 : 231,136.20 = 92,038.78 : x
  2. Step 2: Convert to fraction form
    167,491.90/231,136.20 = 92,038.78/x
  3. Step 3: Cross multiply
    167,491.90x = 231,136.20 × 92,038.78
  4. Step 4: Simplify right side
    167,491.90x = 21,273,493,861.84
  5. Step 5: Solve for x
    x = 21,273,493,861.84/167,491.90
  6. Step 6: Final answer
    x = 127,012.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.