Home / 263,512.17-363,643.78-142,650.81

Finding the Fourth Proportional to 263,512.17, 363,643.78 and 142,650.81

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Solution

The fourth proportional to 263,512.17, 363,643.78 and 142,650.81 is: 196,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,512.17 : 363,643.78 = 142,650.81 : x
  2. Step 2: Convert to fraction form
    263,512.17/363,643.78 = 142,650.81/x
  3. Step 3: Cross multiply
    263,512.17x = 363,643.78 × 142,650.81
  4. Step 4: Simplify right side
    263,512.17x = 51,874,079,768.46
  5. Step 5: Solve for x
    x = 51,874,079,768.46/263,512.17
  6. Step 6: Final answer
    x = 196,856.49

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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.