Home / 118,759.52-178,122.81-30,007.56

Finding the Fourth Proportional to 118,759.52, 178,122.81 and 30,007.56

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Solution

The fourth proportional to 118,759.52, 178,122.81 and 30,007.56 is: 45,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759.52 : 178,122.81 = 30,007.56 : x
  2. Step 2: Convert to fraction form
    118,759.52/178,122.81 = 30,007.56/x
  3. Step 3: Cross multiply
    118,759.52x = 178,122.81 × 30,007.56
  4. Step 4: Simplify right side
    118,759.52x = 5,345,030,908.44
  5. Step 5: Solve for x
    x = 5,345,030,908.44/118,759.52
  6. Step 6: Final answer
    x = 45,007.18

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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.