Home / 263,512.95-363,647.97-142,654.23

Finding the Fourth Proportional to 263,512.95, 363,647.97 and 142,654.23

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Solution

The fourth proportional to 263,512.95, 363,647.97 and 142,654.23 is: 196,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,512.95 : 363,647.97 = 142,654.23 : x
  2. Step 2: Convert to fraction form
    263,512.95/363,647.97 = 142,654.23/x
  3. Step 3: Cross multiply
    263,512.95x = 363,647.97 × 142,654.23
  4. Step 4: Simplify right side
    263,512.95x = 51,875,921,151.41
  5. Step 5: Solve for x
    x = 51,875,921,151.41/263,512.95
  6. Step 6: Final answer
    x = 196,862.89

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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.