Home / 318,708.46-439,809.78-182,822.86

Finding the Fourth Proportional to 318,708.46, 439,809.78 and 182,822.86

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Solution

The fourth proportional to 318,708.46, 439,809.78 and 182,822.86 is: 252,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,708.46 : 439,809.78 = 182,822.86 : x
  2. Step 2: Convert to fraction form
    318,708.46/439,809.78 = 182,822.86/x
  3. Step 3: Cross multiply
    318,708.46x = 439,809.78 × 182,822.86
  4. Step 4: Simplify right side
    318,708.46x = 80,407,281,835.57
  5. Step 5: Solve for x
    x = 80,407,281,835.57/318,708.46
  6. Step 6: Final answer
    x = 252,291.02

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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.