Home / 178,670.61-268,052.39-66,383.20

Finding the Fourth Proportional to 178,670.61, 268,052.39 and 66,383.20

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Solution

The fourth proportional to 178,670.61, 268,052.39 and 66,383.20 is: 99,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,670.61 : 268,052.39 = 66,383.20 : x
  2. Step 2: Convert to fraction form
    178,670.61/268,052.39 = 66,383.20/x
  3. Step 3: Cross multiply
    178,670.61x = 268,052.39 × 66,383.20
  4. Step 4: Simplify right side
    178,670.61x = 17,794,174,160.14
  5. Step 5: Solve for x
    x = 17,794,174,160.14/178,670.61
  6. Step 6: Final answer
    x = 99,592.06

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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.