Home / 161,349.41-222,658.30-87,759.95

Finding the Fourth Proportional to 161,349.41, 222,658.30 and 87,759.95

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Solution

The fourth proportional to 161,349.41, 222,658.30 and 87,759.95 is: 121,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,349.41 : 222,658.30 = 87,759.95 : x
  2. Step 2: Convert to fraction form
    161,349.41/222,658.30 = 87,759.95/x
  3. Step 3: Cross multiply
    161,349.41x = 222,658.30 × 87,759.95
  4. Step 4: Simplify right side
    161,349.41x = 19,540,481,612.33
  5. Step 5: Solve for x
    x = 19,540,481,612.33/161,349.41
  6. Step 6: Final answer
    x = 121,106.62

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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.