Home / 339,002.31-508,487.00-125,811.75

Finding the Fourth Proportional to 339,002.31, 508,487.00 and 125,811.75

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Solution

The fourth proportional to 339,002.31, 508,487.00 and 125,811.75 is: 188,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,002.31 : 508,487.00 = 125,811.75 : x
  2. Step 2: Convert to fraction form
    339,002.31/508,487.00 = 125,811.75/x
  3. Step 3: Cross multiply
    339,002.31x = 508,487.00 × 125,811.75
  4. Step 4: Simplify right side
    339,002.31x = 63,973,638,693.19
  5. Step 5: Solve for x
    x = 63,973,638,693.19/339,002.31
  6. Step 6: Final answer
    x = 188,711.51

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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.