Home / 263,456.47-363,571.03-142,597.72

Finding the Fourth Proportional to 263,456.47, 363,571.03 and 142,597.72

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Solution

The fourth proportional to 263,456.47, 363,571.03 and 142,597.72 is: 196,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,456.47 : 363,571.03 = 142,597.72 : x
  2. Step 2: Convert to fraction form
    263,456.47/363,571.03 = 142,597.72/x
  3. Step 3: Cross multiply
    263,456.47x = 363,571.03 × 142,597.72
  4. Step 4: Simplify right side
    263,456.47x = 51,844,399,936.05
  5. Step 5: Solve for x
    x = 51,844,399,936.05/263,456.47
  6. Step 6: Final answer
    x = 196,785.45

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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.