Home / 161,977.32-242,971.67-43,651.49

Finding the Fourth Proportional to 161,977.32, 242,971.67 and 43,651.49

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Solution

The fourth proportional to 161,977.32, 242,971.67 and 43,651.49 is: 65,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,977.32 : 242,971.67 = 43,651.49 : x
  2. Step 2: Convert to fraction form
    161,977.32/242,971.67 = 43,651.49/x
  3. Step 3: Cross multiply
    161,977.32x = 242,971.67 × 43,651.49
  4. Step 4: Simplify right side
    161,977.32x = 10,606,074,317.56
  5. Step 5: Solve for x
    x = 10,606,074,317.56/161,977.32
  6. Step 6: Final answer
    x = 65,478.76

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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.