Home / 256,767.28-354,332.22-142,042.96

Finding the Fourth Proportional to 256,767.28, 354,332.22 and 142,042.96

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Solution

The fourth proportional to 256,767.28, 354,332.22 and 142,042.96 is: 196,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,767.28 : 354,332.22 = 142,042.96 : x
  2. Step 2: Convert to fraction form
    256,767.28/354,332.22 = 142,042.96/x
  3. Step 3: Cross multiply
    256,767.28x = 354,332.22 × 142,042.96
  4. Step 4: Simplify right side
    256,767.28x = 50,330,397,352.17
  5. Step 5: Solve for x
    x = 50,330,397,352.17/256,767.28
  6. Step 6: Final answer
    x = 196,015.62

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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.