Home / 161,054.38-241,532.34-76,770.10

Finding the Fourth Proportional to 161,054.38, 241,532.34 and 76,770.10

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Solution

The fourth proportional to 161,054.38, 241,532.34 and 76,770.10 is: 115,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,054.38 : 241,532.34 = 76,770.10 : x
  2. Step 2: Convert to fraction form
    161,054.38/241,532.34 = 76,770.10/x
  3. Step 3: Cross multiply
    161,054.38x = 241,532.34 × 76,770.10
  4. Step 4: Simplify right side
    161,054.38x = 18,542,461,895.03
  5. Step 5: Solve for x
    x = 18,542,461,895.03/161,054.38
  6. Step 6: Final answer
    x = 115,131.68

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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.