Home / 199,588.20-298,979.10-124,477.80

Finding the Fourth Proportional to 199,588.20, 298,979.10 and 124,477.80

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Solution

The fourth proportional to 199,588.20, 298,979.10 and 124,477.80 is: 186,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588.20 : 298,979.10 = 124,477.80 : x
  2. Step 2: Convert to fraction form
    199,588.20/298,979.10 = 124,477.80/x
  3. Step 3: Cross multiply
    199,588.20x = 298,979.10 × 124,477.80
  4. Step 4: Simplify right side
    199,588.20x = 37,216,260,613.98
  5. Step 5: Solve for x
    x = 37,216,260,613.98/199,588.20
  6. Step 6: Final answer
    x = 186,465.23

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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.