Home / 181,492.20-272,238.30-131,725.80

Finding the Fourth Proportional to 181,492.20, 272,238.30 and 131,725.80

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Solution

The fourth proportional to 181,492.20, 272,238.30 and 131,725.80 is: 197,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,492.20 : 272,238.30 = 131,725.80 : x
  2. Step 2: Convert to fraction form
    181,492.20/272,238.30 = 131,725.80/x
  3. Step 3: Cross multiply
    181,492.20x = 272,238.30 × 131,725.80
  4. Step 4: Simplify right side
    181,492.20x = 35,860,807,858.14
  5. Step 5: Solve for x
    x = 35,860,807,858.14/181,492.20
  6. Step 6: Final answer
    x = 197,588.70

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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.