Home / 379,112.23-568,519.56-154,391.57

Finding the Fourth Proportional to 379,112.23, 568,519.56 and 154,391.57

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Solution

The fourth proportional to 379,112.23, 568,519.56 and 154,391.57 is: 231,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,112.23 : 568,519.56 = 154,391.57 : x
  2. Step 2: Convert to fraction form
    379,112.23/568,519.56 = 154,391.57/x
  3. Step 3: Cross multiply
    379,112.23x = 568,519.56 × 154,391.57
  4. Step 4: Simplify right side
    379,112.23x = 87,774,627,444.11
  5. Step 5: Solve for x
    x = 87,774,627,444.11/379,112.23
  6. Step 6: Final answer
    x = 231,526.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.