Home / 161,471.81-242,232.32-82,559.38

Finding the Fourth Proportional to 161,471.81, 242,232.32 and 82,559.38

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Solution

The fourth proportional to 161,471.81, 242,232.32 and 82,559.38 is: 123,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,471.81 : 242,232.32 = 82,559.38 : x
  2. Step 2: Convert to fraction form
    161,471.81/242,232.32 = 82,559.38/x
  3. Step 3: Cross multiply
    161,471.81x = 242,232.32 × 82,559.38
  4. Step 4: Simplify right side
    161,471.81x = 19,998,550,155.16
  5. Step 5: Solve for x
    x = 19,998,550,155.16/161,471.81
  6. Step 6: Final answer
    x = 123,851.65

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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.