Home / 256,811.38-354,426.22-147,919.34

Finding the Fourth Proportional to 256,811.38, 354,426.22 and 147,919.34

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Solution

The fourth proportional to 256,811.38, 354,426.22 and 147,919.34 is: 204,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,811.38 : 354,426.22 = 147,919.34 : x
  2. Step 2: Convert to fraction form
    256,811.38/354,426.22 = 147,919.34/x
  3. Step 3: Cross multiply
    256,811.38x = 354,426.22 × 147,919.34
  4. Step 4: Simplify right side
    256,811.38x = 52,426,492,541.09
  5. Step 5: Solve for x
    x = 52,426,492,541.09/256,811.38
  6. Step 6: Final answer
    x = 204,143.96

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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.