Home / 187,659.60-281,507.88-54,541.02

Finding the Fourth Proportional to 187,659.60, 281,507.88 and 54,541.02

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Solution

The fourth proportional to 187,659.60, 281,507.88 and 54,541.02 is: 81,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,659.60 : 281,507.88 = 54,541.02 : x
  2. Step 2: Convert to fraction form
    187,659.60/281,507.88 = 54,541.02/x
  3. Step 3: Cross multiply
    187,659.60x = 281,507.88 × 54,541.02
  4. Step 4: Simplify right side
    187,659.60x = 15,353,726,913.24
  5. Step 5: Solve for x
    x = 15,353,726,913.24/187,659.60
  6. Step 6: Final answer
    x = 81,816.90

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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.