Home / 316,360.92-436,578.02-173,120.96

Finding the Fourth Proportional to 316,360.92, 436,578.02 and 173,120.96

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Solution

The fourth proportional to 316,360.92, 436,578.02 and 173,120.96 is: 238,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.92 : 436,578.02 = 173,120.96 : x
  2. Step 2: Convert to fraction form
    316,360.92/436,578.02 = 173,120.96/x
  3. Step 3: Cross multiply
    316,360.92x = 436,578.02 × 173,120.96
  4. Step 4: Simplify right side
    316,360.92x = 75,580,805,937.30
  5. Step 5: Solve for x
    x = 75,580,805,937.30/316,360.92
  6. Step 6: Final answer
    x = 238,906.90

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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.