Home / 263,516.30-363,649.47-142,654.93

Finding the Fourth Proportional to 263,516.30, 363,649.47 and 142,654.93

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Solution

The fourth proportional to 263,516.30, 363,649.47 and 142,654.93 is: 196,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,516.30 : 363,649.47 = 142,654.93 : x
  2. Step 2: Convert to fraction form
    263,516.30/363,649.47 = 142,654.93/x
  3. Step 3: Cross multiply
    263,516.30x = 363,649.47 × 142,654.93
  4. Step 4: Simplify right side
    263,516.30x = 51,876,389,687.39
  5. Step 5: Solve for x
    x = 51,876,389,687.39/263,516.30
  6. Step 6: Final answer
    x = 196,862.17

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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.