Home / 187,979.58-282,043.23-82,724.76

Finding the Fourth Proportional to 187,979.58, 282,043.23 and 82,724.76

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Solution

The fourth proportional to 187,979.58, 282,043.23 and 82,724.76 is: 124,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.58 : 282,043.23 = 82,724.76 : x
  2. Step 2: Convert to fraction form
    187,979.58/282,043.23 = 82,724.76/x
  3. Step 3: Cross multiply
    187,979.58x = 282,043.23 × 82,724.76
  4. Step 4: Simplify right side
    187,979.58x = 23,331,958,511.37
  5. Step 5: Solve for x
    x = 23,331,958,511.37/187,979.58
  6. Step 6: Final answer
    x = 124,119.64

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1.5x scale

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.