Home / 158,661.87-237,628.31-133,380.15

Finding the Fourth Proportional to 158,661.87, 237,628.31 and 133,380.15

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Solution

The fourth proportional to 158,661.87, 237,628.31 and 133,380.15 is: 199,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,661.87 : 237,628.31 = 133,380.15 : x
  2. Step 2: Convert to fraction form
    158,661.87/237,628.31 = 133,380.15/x
  3. Step 3: Cross multiply
    158,661.87x = 237,628.31 × 133,380.15
  4. Step 4: Simplify right side
    158,661.87x = 31,694,898,965.15
  5. Step 5: Solve for x
    x = 31,694,898,965.15/158,661.87
  6. Step 6: Final answer
    x = 199,763.81

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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.