Home / 181,711.56-272,578.88-57,057.48

Finding the Fourth Proportional to 181,711.56, 272,578.88 and 57,057.48

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Solution

The fourth proportional to 181,711.56, 272,578.88 and 57,057.48 is: 85,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,711.56 : 272,578.88 = 57,057.48 : x
  2. Step 2: Convert to fraction form
    181,711.56/272,578.88 = 57,057.48/x
  3. Step 3: Cross multiply
    181,711.56x = 272,578.88 × 57,057.48
  4. Step 4: Simplify right side
    181,711.56x = 15,552,663,994.02
  5. Step 5: Solve for x
    x = 15,552,663,994.02/181,711.56
  6. Step 6: Final answer
    x = 85,589.84

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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.