Home / 161,626.38-242,476.31-49,316.66

Finding the Fourth Proportional to 161,626.38, 242,476.31 and 49,316.66

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Solution

The fourth proportional to 161,626.38, 242,476.31 and 49,316.66 is: 73,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,626.38 : 242,476.31 = 49,316.66 : x
  2. Step 2: Convert to fraction form
    161,626.38/242,476.31 = 49,316.66/x
  3. Step 3: Cross multiply
    161,626.38x = 242,476.31 × 49,316.66
  4. Step 4: Simplify right side
    161,626.38x = 11,958,121,738.32
  5. Step 5: Solve for x
    x = 11,958,121,738.32/161,626.38
  6. Step 6: Final answer
    x = 73,986.20

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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.