Home / 316,245.56-436,429.20-173,005.61

Finding the Fourth Proportional to 316,245.56, 436,429.20 and 173,005.61

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Solution

The fourth proportional to 316,245.56, 436,429.20 and 173,005.61 is: 238,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,245.56 : 436,429.20 = 173,005.61 : x
  2. Step 2: Convert to fraction form
    316,245.56/436,429.20 = 173,005.61/x
  3. Step 3: Cross multiply
    316,245.56x = 436,429.20 × 173,005.61
  4. Step 4: Simplify right side
    316,245.56x = 75,504,701,058.89
  5. Step 5: Solve for x
    x = 75,504,701,058.89/316,245.56
  6. Step 6: Final answer
    x = 238,753.39

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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.