Home / 339,839.40-509,726.13-103,184.13

Finding the Fourth Proportional to 339,839.40, 509,726.13 and 103,184.13

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Solution

The fourth proportional to 339,839.40, 509,726.13 and 103,184.13 is: 154,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,839.40 : 509,726.13 = 103,184.13 : x
  2. Step 2: Convert to fraction form
    339,839.40/509,726.13 = 103,184.13/x
  3. Step 3: Cross multiply
    339,839.40x = 509,726.13 × 103,184.13
  4. Step 4: Simplify right side
    339,839.40x = 52,595,647,262.32
  5. Step 5: Solve for x
    x = 52,595,647,262.32/339,839.40
  6. Step 6: Final answer
    x = 154,766.18

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1.5x scale

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.