Home / 161,542.86-242,363.88-82,712.44

Finding the Fourth Proportional to 161,542.86, 242,363.88 and 82,712.44

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Solution

The fourth proportional to 161,542.86, 242,363.88 and 82,712.44 is: 124,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.86 : 242,363.88 = 82,712.44 : x
  2. Step 2: Convert to fraction form
    161,542.86/242,363.88 = 82,712.44/x
  3. Step 3: Cross multiply
    161,542.86x = 242,363.88 × 82,712.44
  4. Step 4: Simplify right side
    161,542.86x = 20,046,507,882.67
  5. Step 5: Solve for x
    x = 20,046,507,882.67/161,542.86
  6. Step 6: Final answer
    x = 124,094.05

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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.