Home / 178,979.52-268,334.64-154,310.16

Finding the Fourth Proportional to 178,979.52, 268,334.64 and 154,310.16

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Solution

The fourth proportional to 178,979.52, 268,334.64 and 154,310.16 is: 231,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,979.52 : 268,334.64 = 154,310.16 : x
  2. Step 2: Convert to fraction form
    178,979.52/268,334.64 = 154,310.16/x
  3. Step 3: Cross multiply
    178,979.52x = 268,334.64 × 154,310.16
  4. Step 4: Simplify right side
    178,979.52x = 41,406,761,231.94
  5. Step 5: Solve for x
    x = 41,406,761,231.94/178,979.52
  6. Step 6: Final answer
    x = 231,349.16

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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.