Home / 263,330.79-363,396.51-142,472.00

Finding the Fourth Proportional to 263,330.79, 363,396.51 and 142,472.00

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Solution

The fourth proportional to 263,330.79, 363,396.51 and 142,472.00 is: 196,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,330.79 : 363,396.51 = 142,472.00 : x
  2. Step 2: Convert to fraction form
    263,330.79/363,396.51 = 142,472.00/x
  3. Step 3: Cross multiply
    263,330.79x = 363,396.51 × 142,472.00
  4. Step 4: Simplify right side
    263,330.79x = 51,773,825,755.74
  5. Step 5: Solve for x
    x = 51,773,825,755.74/263,330.79
  6. Step 6: Final answer
    x = 196,611.36

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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.