Home / 316,362.20-436,579.83-173,122.29

Finding the Fourth Proportional to 316,362.20, 436,579.83 and 173,122.29

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Solution

The fourth proportional to 316,362.20, 436,579.83 and 173,122.29 is: 238,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,362.20 : 436,579.83 = 173,122.29 : x
  2. Step 2: Convert to fraction form
    316,362.20/436,579.83 = 173,122.29/x
  3. Step 3: Cross multiply
    316,362.20x = 436,579.83 × 173,122.29
  4. Step 4: Simplify right side
    316,362.20x = 75,581,699,937.41
  5. Step 5: Solve for x
    x = 75,581,699,937.41/316,362.20
  6. Step 6: Final answer
    x = 238,908.76

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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.