Home / 161,543.86-242,365.38-82,713.44

Finding the Fourth Proportional to 161,543.86, 242,365.38 and 82,713.44

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Solution

The fourth proportional to 161,543.86, 242,365.38 and 82,713.44 is: 124,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.86 : 242,365.38 = 82,713.44 : x
  2. Step 2: Convert to fraction form
    161,543.86/242,365.38 = 82,713.44/x
  3. Step 3: Cross multiply
    161,543.86x = 242,365.38 × 82,713.44
  4. Step 4: Simplify right side
    161,543.86x = 20,046,874,316.71
  5. Step 5: Solve for x
    x = 20,046,874,316.71/161,543.86
  6. Step 6: Final answer
    x = 124,095.55

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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.