Home / 267,939.64-369,743.32-154,755.64

Finding the Fourth Proportional to 267,939.64, 369,743.32 and 154,755.64

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Solution

The fourth proportional to 267,939.64, 369,743.32 and 154,755.64 is: 213,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,939.64 : 369,743.32 = 154,755.64 : x
  2. Step 2: Convert to fraction form
    267,939.64/369,743.32 = 154,755.64/x
  3. Step 3: Cross multiply
    267,939.64x = 369,743.32 × 154,755.64
  4. Step 4: Simplify right side
    267,939.64x = 57,219,864,122.32
  5. Step 5: Solve for x
    x = 57,219,864,122.32/267,939.64
  6. Step 6: Final answer
    x = 213,555.05

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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.