Home / 339,239.20-509,092-117,623.20

Finding the Fourth Proportional to 339,239.20, 509,092 and 117,623.20

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Solution

The fourth proportional to 339,239.20, 509,092 and 117,623.20 is: 176,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,239.20 : 509,092 = 117,623.20 : x
  2. Step 2: Convert to fraction form
    339,239.20/509,092 = 117,623.20/x
  3. Step 3: Cross multiply
    339,239.20x = 509,092 × 117,623.20
  4. Step 4: Simplify right side
    339,239.20x = 59,881,030,134.40
  5. Step 5: Solve for x
    x = 59,881,030,134.40/339,239.20
  6. Step 6: Final answer
    x = 176,515.66

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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.