Home / 205,451.28-283,550.91-118,234.58

Finding the Fourth Proportional to 205,451.28, 283,550.91 and 118,234.58

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Solution

The fourth proportional to 205,451.28, 283,550.91 and 118,234.58 is: 163,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,451.28 : 283,550.91 = 118,234.58 : x
  2. Step 2: Convert to fraction form
    205,451.28/283,550.91 = 118,234.58/x
  3. Step 3: Cross multiply
    205,451.28x = 283,550.91 × 118,234.58
  4. Step 4: Simplify right side
    205,451.28x = 33,525,522,752.47
  5. Step 5: Solve for x
    x = 33,525,522,752.47/205,451.28
  6. Step 6: Final answer
    x = 163,179.92

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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.