Home / 161,895.66-242,872.71-73,190.94

Finding the Fourth Proportional to 161,895.66, 242,872.71 and 73,190.94

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Solution

The fourth proportional to 161,895.66, 242,872.71 and 73,190.94 is: 109,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,895.66 : 242,872.71 = 73,190.94 : x
  2. Step 2: Convert to fraction form
    161,895.66/242,872.71 = 73,190.94/x
  3. Step 3: Cross multiply
    161,895.66x = 242,872.71 × 73,190.94
  4. Step 4: Simplify right side
    161,895.66x = 17,776,081,945.25
  5. Step 5: Solve for x
    x = 17,776,081,945.25/161,895.66
  6. Step 6: Final answer
    x = 109,799.62

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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.