Home / 316,249.28-436,420.39-173,007.66

Finding the Fourth Proportional to 316,249.28, 436,420.39 and 173,007.66

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Solution

The fourth proportional to 316,249.28, 436,420.39 and 173,007.66 is: 238,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,249.28 : 436,420.39 = 173,007.66 : x
  2. Step 2: Convert to fraction form
    316,249.28/436,420.39 = 173,007.66/x
  3. Step 3: Cross multiply
    316,249.28x = 436,420.39 × 173,007.66
  4. Step 4: Simplify right side
    316,249.28x = 75,504,070,450.19
  5. Step 5: Solve for x
    x = 75,504,070,450.19/316,249.28
  6. Step 6: Final answer
    x = 238,748.59

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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.