Home / 100,908.13-151,318.44-34,330.39

Finding the Fourth Proportional to 100,908.13, 151,318.44 and 34,330.39

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Solution

The fourth proportional to 100,908.13, 151,318.44 and 34,330.39 is: 51,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,908.13 : 151,318.44 = 34,330.39 : x
  2. Step 2: Convert to fraction form
    100,908.13/151,318.44 = 34,330.39/x
  3. Step 3: Cross multiply
    100,908.13x = 151,318.44 × 34,330.39
  4. Step 4: Simplify right side
    100,908.13x = 5,194,821,059.39
  5. Step 5: Solve for x
    x = 5,194,821,059.39/100,908.13
  6. Step 6: Final answer
    x = 51,480.70

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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.