Home / 316,623.15-436,926.83-173,380.73

Finding the Fourth Proportional to 316,623.15, 436,926.83 and 173,380.73

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Solution

The fourth proportional to 316,623.15, 436,926.83 and 173,380.73 is: 239,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,623.15 : 436,926.83 = 173,380.73 : x
  2. Step 2: Convert to fraction form
    316,623.15/436,926.83 = 173,380.73/x
  3. Step 3: Cross multiply
    316,623.15x = 436,926.83 × 173,380.73
  4. Step 4: Simplify right side
    316,623.15x = 75,754,689,690.45
  5. Step 5: Solve for x
    x = 75,754,689,690.45/316,623.15
  6. Step 6: Final answer
    x = 239,258.21

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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.