Home / 327,267.72-490,901.58-90,610.38

Finding the Fourth Proportional to 327,267.72, 490,901.58 and 90,610.38

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Solution

The fourth proportional to 327,267.72, 490,901.58 and 90,610.38 is: 135,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,267.72 : 490,901.58 = 90,610.38 : x
  2. Step 2: Convert to fraction form
    327,267.72/490,901.58 = 90,610.38/x
  3. Step 3: Cross multiply
    327,267.72x = 490,901.58 × 90,610.38
  4. Step 4: Simplify right side
    327,267.72x = 44,480,778,706.40
  5. Step 5: Solve for x
    x = 44,480,778,706.40/327,267.72
  6. Step 6: Final answer
    x = 135,915.57

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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.