Home / 258,631.38-356,857.78-151,180.62

Finding the Fourth Proportional to 258,631.38, 356,857.78 and 151,180.62

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Solution

The fourth proportional to 258,631.38, 356,857.78 and 151,180.62 is: 208,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,631.38 : 356,857.78 = 151,180.62 : x
  2. Step 2: Convert to fraction form
    258,631.38/356,857.78 = 151,180.62/x
  3. Step 3: Cross multiply
    258,631.38x = 356,857.78 × 151,180.62
  4. Step 4: Simplify right side
    258,631.38x = 53,949,980,432.22
  5. Step 5: Solve for x
    x = 53,949,980,432.22/258,631.38
  6. Step 6: Final answer
    x = 208,597.97

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1.5x scale

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.