Home / 286,800.72-395,679.24-173,582.16

Finding the Fourth Proportional to 286,800.72, 395,679.24 and 173,582.16

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Solution

The fourth proportional to 286,800.72, 395,679.24 and 173,582.16 is: 239,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,800.72 : 395,679.24 = 173,582.16 : x
  2. Step 2: Convert to fraction form
    286,800.72/395,679.24 = 173,582.16/x
  3. Step 3: Cross multiply
    286,800.72x = 395,679.24 × 173,582.16
  4. Step 4: Simplify right side
    286,800.72x = 68,682,857,146.36
  5. Step 5: Solve for x
    x = 68,682,857,146.36/286,800.72
  6. Step 6: Final answer
    x = 239,479.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.