Home / 286,829.10-395,922.33-173,651.76

Finding the Fourth Proportional to 286,829.10, 395,922.33 and 173,651.76

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Solution

The fourth proportional to 286,829.10, 395,922.33 and 173,651.76 is: 239,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,829.10 : 395,922.33 = 173,651.76 : x
  2. Step 2: Convert to fraction form
    286,829.10/395,922.33 = 173,651.76/x
  3. Step 3: Cross multiply
    286,829.10x = 395,922.33 × 173,651.76
  4. Step 4: Simplify right side
    286,829.10x = 68,752,609,427.80
  5. Step 5: Solve for x
    x = 68,752,609,427.80/286,829.10
  6. Step 6: Final answer
    x = 239,698.86

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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.