Home / 209,682.42-314,447.06-76,523.28

Finding the Fourth Proportional to 209,682.42, 314,447.06 and 76,523.28

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Solution

The fourth proportional to 209,682.42, 314,447.06 and 76,523.28 is: 114,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,682.42 : 314,447.06 = 76,523.28 : x
  2. Step 2: Convert to fraction form
    209,682.42/314,447.06 = 76,523.28/x
  3. Step 3: Cross multiply
    209,682.42x = 314,447.06 × 76,523.28
  4. Step 4: Simplify right side
    209,682.42x = 24,062,520,417.56
  5. Step 5: Solve for x
    x = 24,062,520,417.56/209,682.42
  6. Step 6: Final answer
    x = 114,756.98

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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.