Home / 316,625.03-436,929.41-173,382.60

Finding the Fourth Proportional to 316,625.03, 436,929.41 and 173,382.60

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Solution

The fourth proportional to 316,625.03, 436,929.41 and 173,382.60 is: 239,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,625.03 : 436,929.41 = 173,382.60 : x
  2. Step 2: Convert to fraction form
    316,625.03/436,929.41 = 173,382.60/x
  3. Step 3: Cross multiply
    316,625.03x = 436,929.41 × 173,382.60
  4. Step 4: Simplify right side
    316,625.03x = 75,755,956,255.35
  5. Step 5: Solve for x
    x = 75,755,956,255.35/316,625.03
  6. Step 6: Final answer
    x = 239,260.80

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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.