Home / 162,731.80-244,136.68-67,909.22

Finding the Fourth Proportional to 162,731.80, 244,136.68 and 67,909.22

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Solution

The fourth proportional to 162,731.80, 244,136.68 and 67,909.22 is: 101,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,731.80 : 244,136.68 = 67,909.22 : x
  2. Step 2: Convert to fraction form
    162,731.80/244,136.68 = 67,909.22/x
  3. Step 3: Cross multiply
    162,731.80x = 244,136.68 × 67,909.22
  4. Step 4: Simplify right side
    162,731.80x = 16,579,131,512.19
  5. Step 5: Solve for x
    x = 16,579,131,512.19/162,731.80
  6. Step 6: Final answer
    x = 101,880.10

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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.