Home / 351,043.20-526,619.43-114,330.78

Finding the Fourth Proportional to 351,043.20, 526,619.43 and 114,330.78

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Solution

The fourth proportional to 351,043.20, 526,619.43 and 114,330.78 is: 171,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,043.20 : 526,619.43 = 114,330.78 : x
  2. Step 2: Convert to fraction form
    351,043.20/526,619.43 = 114,330.78/x
  3. Step 3: Cross multiply
    351,043.20x = 526,619.43 × 114,330.78
  4. Step 4: Simplify right side
    351,043.20x = 60,208,810,195.06
  5. Step 5: Solve for x
    x = 60,208,810,195.06/351,043.20
  6. Step 6: Final answer
    x = 171,513.96

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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.