Home / 316,545.75-436,832.94-173,305.76

Finding the Fourth Proportional to 316,545.75, 436,832.94 and 173,305.76

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Solution

The fourth proportional to 316,545.75, 436,832.94 and 173,305.76 is: 239,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,545.75 : 436,832.94 = 173,305.76 : x
  2. Step 2: Convert to fraction form
    316,545.75/436,832.94 = 173,305.76/x
  3. Step 3: Cross multiply
    316,545.75x = 436,832.94 × 173,305.76
  4. Step 4: Simplify right side
    316,545.75x = 75,705,661,609.04
  5. Step 5: Solve for x
    x = 75,705,661,609.04/316,545.75
  6. Step 6: Final answer
    x = 239,161.83

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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.