Home / 340,166.27-510,338.39-126,936.05

Finding the Fourth Proportional to 340,166.27, 510,338.39 and 126,936.05

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Solution

The fourth proportional to 340,166.27, 510,338.39 and 126,936.05 is: 190,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,166.27 : 510,338.39 = 126,936.05 : x
  2. Step 2: Convert to fraction form
    340,166.27/510,338.39 = 126,936.05/x
  3. Step 3: Cross multiply
    340,166.27x = 510,338.39 × 126,936.05
  4. Step 4: Simplify right side
    340,166.27x = 64,780,339,074.24
  5. Step 5: Solve for x
    x = 64,780,339,074.24/340,166.27
  6. Step 6: Final answer
    x = 190,437.28

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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.