Home / 187,983.58-282,049.23-82,728.76

Finding the Fourth Proportional to 187,983.58, 282,049.23 and 82,728.76

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Solution

The fourth proportional to 187,983.58, 282,049.23 and 82,728.76 is: 124,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,983.58 : 282,049.23 = 82,728.76 : x
  2. Step 2: Convert to fraction form
    187,983.58/282,049.23 = 82,728.76/x
  3. Step 3: Cross multiply
    187,983.58x = 282,049.23 × 82,728.76
  4. Step 4: Simplify right side
    187,983.58x = 23,333,583,056.85
  5. Step 5: Solve for x
    x = 23,333,583,056.85/187,983.58
  6. Step 6: Final answer
    x = 124,125.64

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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.