Home / 340,615.13-510,912.97-103,923.41

Finding the Fourth Proportional to 340,615.13, 510,912.97 and 103,923.41

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Solution

The fourth proportional to 340,615.13, 510,912.97 and 103,923.41 is: 155,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,615.13 : 510,912.97 = 103,923.41 : x
  2. Step 2: Convert to fraction form
    340,615.13/510,912.97 = 103,923.41/x
  3. Step 3: Cross multiply
    340,615.13x = 510,912.97 × 103,923.41
  4. Step 4: Simplify right side
    340,615.13x = 53,095,815,241.25
  5. Step 5: Solve for x
    x = 53,095,815,241.25/340,615.13
  6. Step 6: Final answer
    x = 155,882.14

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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.