Home / 344,022.98-515,830.07-130,806.50

Finding the Fourth Proportional to 344,022.98, 515,830.07 and 130,806.50

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Solution

The fourth proportional to 344,022.98, 515,830.07 and 130,806.50 is: 196,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,022.98 : 515,830.07 = 130,806.50 : x
  2. Step 2: Convert to fraction form
    344,022.98/515,830.07 = 130,806.50/x
  3. Step 3: Cross multiply
    344,022.98x = 515,830.07 × 130,806.50
  4. Step 4: Simplify right side
    344,022.98x = 67,473,923,799.32
  5. Step 5: Solve for x
    x = 67,473,923,799.32/344,022.98
  6. Step 6: Final answer
    x = 196,132.02

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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.