Home / 147,171.38-220,757.09-47,329.38

Finding the Fourth Proportional to 147,171.38, 220,757.09 and 47,329.38

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Solution

The fourth proportional to 147,171.38, 220,757.09 and 47,329.38 is: 70,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,171.38 : 220,757.09 = 47,329.38 : x
  2. Step 2: Convert to fraction form
    147,171.38/220,757.09 = 47,329.38/x
  3. Step 3: Cross multiply
    147,171.38x = 220,757.09 × 47,329.38
  4. Step 4: Simplify right side
    147,171.38x = 10,448,295,963.66
  5. Step 5: Solve for x
    x = 10,448,295,963.66/147,171.38
  6. Step 6: Final answer
    x = 70,994.08

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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.