Home / 264,971.20-397,447.68-75,432.74

Finding the Fourth Proportional to 264,971.20, 397,447.68 and 75,432.74

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Solution

The fourth proportional to 264,971.20, 397,447.68 and 75,432.74 is: 113,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,971.20 : 397,447.68 = 75,432.74 : x
  2. Step 2: Convert to fraction form
    264,971.20/397,447.68 = 75,432.74/x
  3. Step 3: Cross multiply
    264,971.20x = 397,447.68 × 75,432.74
  4. Step 4: Simplify right side
    264,971.20x = 29,980,567,509.04
  5. Step 5: Solve for x
    x = 29,980,567,509.04/264,971.20
  6. Step 6: Final answer
    x = 113,146.51

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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.