Home / 149,843.16-206,688.65-113,954.49

Finding the Fourth Proportional to 149,843.16, 206,688.65 and 113,954.49

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Solution

The fourth proportional to 149,843.16, 206,688.65 and 113,954.49 is: 157,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,843.16 : 206,688.65 = 113,954.49 : x
  2. Step 2: Convert to fraction form
    149,843.16/206,688.65 = 113,954.49/x
  3. Step 3: Cross multiply
    149,843.16x = 206,688.65 × 113,954.49
  4. Step 4: Simplify right side
    149,843.16x = 23,553,099,129.77
  5. Step 5: Solve for x
    x = 23,553,099,129.77/149,843.16
  6. Step 6: Final answer
    x = 157,185.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.