Home / 256,621.68-354,107.03-141,884.82

Finding the Fourth Proportional to 256,621.68, 354,107.03 and 141,884.82

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Solution

The fourth proportional to 256,621.68, 354,107.03 and 141,884.82 is: 195,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,621.68 : 354,107.03 = 141,884.82 : x
  2. Step 2: Convert to fraction form
    256,621.68/354,107.03 = 141,884.82/x
  3. Step 3: Cross multiply
    256,621.68x = 354,107.03 × 141,884.82
  4. Step 4: Simplify right side
    256,621.68x = 50,242,411,502.86
  5. Step 5: Solve for x
    x = 50,242,411,502.86/256,621.68
  6. Step 6: Final answer
    x = 195,783.97

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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.