Home / 100,850.55-151,275.81-34,338.39

Finding the Fourth Proportional to 100,850.55, 151,275.81 and 34,338.39

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Solution

The fourth proportional to 100,850.55, 151,275.81 and 34,338.39 is: 51,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850.55 : 151,275.81 = 34,338.39 : x
  2. Step 2: Convert to fraction form
    100,850.55/151,275.81 = 34,338.39/x
  3. Step 3: Cross multiply
    100,850.55x = 151,275.81 × 34,338.39
  4. Step 4: Simplify right side
    100,850.55x = 5,194,567,761.35
  5. Step 5: Solve for x
    x = 5,194,567,761.35/100,850.55
  6. Step 6: Final answer
    x = 51,507.58

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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.