Home / 263,548.41-363,697.02-142,689.78

Finding the Fourth Proportional to 263,548.41, 363,697.02 and 142,689.78

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Solution

The fourth proportional to 263,548.41, 363,697.02 and 142,689.78 is: 196,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,548.41 : 363,697.02 = 142,689.78 : x
  2. Step 2: Convert to fraction form
    263,548.41/363,697.02 = 142,689.78/x
  3. Step 3: Cross multiply
    263,548.41x = 363,697.02 × 142,689.78
  4. Step 4: Simplify right side
    263,548.41x = 51,895,847,770.46
  5. Step 5: Solve for x
    x = 51,895,847,770.46/263,548.41
  6. Step 6: Final answer
    x = 196,912.01

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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.