Home / 541,181.44-811,543.86-162,156.04

Finding the Fourth Proportional to 541,181.44, 811,543.86 and 162,156.04

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Solution

The fourth proportional to 541,181.44, 811,543.86 and 162,156.04 is: 243,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,181.44 : 811,543.86 = 162,156.04 : x
  2. Step 2: Convert to fraction form
    541,181.44/811,543.86 = 162,156.04/x
  3. Step 3: Cross multiply
    541,181.44x = 811,543.86 × 162,156.04
  4. Step 4: Simplify right side
    541,181.44x = 131,596,738,623.91
  5. Step 5: Solve for x
    x = 131,596,738,623.91/541,181.44
  6. Step 6: Final answer
    x = 243,165.65

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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.