Home / 106,982.47-160,334.54-43,730.28

Finding the Fourth Proportional to 106,982.47, 160,334.54 and 43,730.28

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Solution

The fourth proportional to 106,982.47, 160,334.54 and 43,730.28 is: 65,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,982.47 : 160,334.54 = 43,730.28 : x
  2. Step 2: Convert to fraction form
    106,982.47/160,334.54 = 43,730.28/x
  3. Step 3: Cross multiply
    106,982.47x = 160,334.54 × 43,730.28
  4. Step 4: Simplify right side
    106,982.47x = 7,011,474,273.21
  5. Step 5: Solve for x
    x = 7,011,474,273.21/106,982.47
  6. Step 6: Final answer
    x = 65,538.53

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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.