Home / 340,233.10-510,544.05-130,021.90

Finding the Fourth Proportional to 340,233.10, 510,544.05 and 130,021.90

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Solution

The fourth proportional to 340,233.10, 510,544.05 and 130,021.90 is: 195,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,233.10 : 510,544.05 = 130,021.90 : x
  2. Step 2: Convert to fraction form
    340,233.10/510,544.05 = 130,021.90/x
  3. Step 3: Cross multiply
    340,233.10x = 510,544.05 × 130,021.90
  4. Step 4: Simplify right side
    340,233.10x = 66,381,907,414.70
  5. Step 5: Solve for x
    x = 66,381,907,414.70/340,233.10
  6. Step 6: Final answer
    x = 195,107.14

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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.