Home / 263,858.18-364,123.35-143,002.40

Finding the Fourth Proportional to 263,858.18, 364,123.35 and 143,002.40

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Solution

The fourth proportional to 263,858.18, 364,123.35 and 143,002.40 is: 197,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,858.18 : 364,123.35 = 143,002.40 : x
  2. Step 2: Convert to fraction form
    263,858.18/364,123.35 = 143,002.40/x
  3. Step 3: Cross multiply
    263,858.18x = 364,123.35 × 143,002.40
  4. Step 4: Simplify right side
    263,858.18x = 52,070,511,125.42
  5. Step 5: Solve for x
    x = 52,070,511,125.42/263,858.18
  6. Step 6: Final answer
    x = 197,342.80

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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.