Home / 256,250.32-384,156.78-181,134.16

Finding the Fourth Proportional to 256,250.32, 384,156.78 and 181,134.16

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Solution

The fourth proportional to 256,250.32, 384,156.78 and 181,134.16 is: 271,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,250.32 : 384,156.78 = 181,134.16 : x
  2. Step 2: Convert to fraction form
    256,250.32/384,156.78 = 181,134.16/x
  3. Step 3: Cross multiply
    256,250.32x = 384,156.78 × 181,134.16
  4. Step 4: Simplify right side
    256,250.32x = 69,583,915,653.60
  5. Step 5: Solve for x
    x = 69,583,915,653.60/256,250.32
  6. Step 6: Final answer
    x = 271,546.65

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1.5x scale

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.