Home / 256,719.24-384,914.84-123,334.11

Finding the Fourth Proportional to 256,719.24, 384,914.84 and 123,334.11

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Solution

The fourth proportional to 256,719.24, 384,914.84 and 123,334.11 is: 184,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,719.24 : 384,914.84 = 123,334.11 : x
  2. Step 2: Convert to fraction form
    256,719.24/384,914.84 = 123,334.11/x
  3. Step 3: Cross multiply
    256,719.24x = 384,914.84 × 123,334.11
  4. Step 4: Simplify right side
    256,719.24x = 47,473,128,600.52
  5. Step 5: Solve for x
    x = 47,473,128,600.52/256,719.24
  6. Step 6: Final answer
    x = 184,922.36

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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.