Home / 231,788.20-347,682.30-179,235.40

Finding the Fourth Proportional to 231,788.20, 347,682.30 and 179,235.40

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Solution

The fourth proportional to 231,788.20, 347,682.30 and 179,235.40 is: 268,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,788.20 : 347,682.30 = 179,235.40 : x
  2. Step 2: Convert to fraction form
    231,788.20/347,682.30 = 179,235.40/x
  3. Step 3: Cross multiply
    231,788.20x = 347,682.30 × 179,235.40
  4. Step 4: Simplify right side
    231,788.20x = 62,316,976,113.42
  5. Step 5: Solve for x
    x = 62,316,976,113.42/231,788.20
  6. Step 6: Final answer
    x = 268,853.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.