Home / 187,857.20-281,120.62-116,813.29

Finding the Fourth Proportional to 187,857.20, 281,120.62 and 116,813.29

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Solution

The fourth proportional to 187,857.20, 281,120.62 and 116,813.29 is: 174,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,857.20 : 281,120.62 = 116,813.29 : x
  2. Step 2: Convert to fraction form
    187,857.20/281,120.62 = 116,813.29/x
  3. Step 3: Cross multiply
    187,857.20x = 281,120.62 × 116,813.29
  4. Step 4: Simplify right side
    187,857.20x = 32,838,624,509.04
  5. Step 5: Solve for x
    x = 32,838,624,509.04/187,857.20
  6. Step 6: Final answer
    x = 174,806.32

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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.