Home / 111,219.58-153,481.13-60,231.90

Finding the Fourth Proportional to 111,219.58, 153,481.13 and 60,231.90

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Solution

The fourth proportional to 111,219.58, 153,481.13 and 60,231.90 is: 83,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219.58 : 153,481.13 = 60,231.90 : x
  2. Step 2: Convert to fraction form
    111,219.58/153,481.13 = 60,231.90/x
  3. Step 3: Cross multiply
    111,219.58x = 153,481.13 × 60,231.90
  4. Step 4: Simplify right side
    111,219.58x = 9,244,459,412.49
  5. Step 5: Solve for x
    x = 9,244,459,412.49/111,219.58
  6. Step 6: Final answer
    x = 83,118.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.