Home / 187,492.44-281,276.28-69,164.40

Finding the Fourth Proportional to 187,492.44, 281,276.28 and 69,164.40

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Solution

The fourth proportional to 187,492.44, 281,276.28 and 69,164.40 is: 103,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,492.44 : 281,276.28 = 69,164.40 : x
  2. Step 2: Convert to fraction form
    187,492.44/281,276.28 = 69,164.40/x
  3. Step 3: Cross multiply
    187,492.44x = 281,276.28 × 69,164.40
  4. Step 4: Simplify right side
    187,492.44x = 19,454,305,140.43
  5. Step 5: Solve for x
    x = 19,454,305,140.43/187,492.44
  6. Step 6: Final answer
    x = 103,760.48

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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.