Home / 161,613.94-242,271.24-82,553.80

Finding the Fourth Proportional to 161,613.94, 242,271.24 and 82,553.80

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Solution

The fourth proportional to 161,613.94, 242,271.24 and 82,553.80 is: 123,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,613.94 : 242,271.24 = 82,553.80 : x
  2. Step 2: Convert to fraction form
    161,613.94/242,271.24 = 82,553.80/x
  3. Step 3: Cross multiply
    161,613.94x = 242,271.24 × 82,553.80
  4. Step 4: Simplify right side
    161,613.94x = 20,000,411,492.71
  5. Step 5: Solve for x
    x = 20,000,411,492.71/161,613.94
  6. Step 6: Final answer
    x = 123,754.25

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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.