Home / 187,022.28-280,558.26-68,695.32

Finding the Fourth Proportional to 187,022.28, 280,558.26 and 68,695.32

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Solution

The fourth proportional to 187,022.28, 280,558.26 and 68,695.32 is: 103,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,022.28 : 280,558.26 = 68,695.32 : x
  2. Step 2: Convert to fraction form
    187,022.28/280,558.26 = 68,695.32/x
  3. Step 3: Cross multiply
    187,022.28x = 280,558.26 × 68,695.32
  4. Step 4: Simplify right side
    187,022.28x = 19,273,039,449.34
  5. Step 5: Solve for x
    x = 19,273,039,449.34/187,022.28
  6. Step 6: Final answer
    x = 103,052.10

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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.