Home / 316,853.25-437,257.49-173,618.73

Finding the Fourth Proportional to 316,853.25, 437,257.49 and 173,618.73

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Solution

The fourth proportional to 316,853.25, 437,257.49 and 173,618.73 is: 239,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,853.25 : 437,257.49 = 173,618.73 : x
  2. Step 2: Convert to fraction form
    316,853.25/437,257.49 = 173,618.73/x
  3. Step 3: Cross multiply
    316,853.25x = 437,257.49 × 173,618.73
  4. Step 4: Simplify right side
    316,853.25x = 75,916,089,228.69
  5. Step 5: Solve for x
    x = 75,916,089,228.69/316,853.25
  6. Step 6: Final answer
    x = 239,593.85

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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.