Home / 327,126.02-490,688.42-102,503.66

Finding the Fourth Proportional to 327,126.02, 490,688.42 and 102,503.66

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Solution

The fourth proportional to 327,126.02, 490,688.42 and 102,503.66 is: 153,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,126.02 : 490,688.42 = 102,503.66 : x
  2. Step 2: Convert to fraction form
    327,126.02/490,688.42 = 102,503.66/x
  3. Step 3: Cross multiply
    327,126.02x = 490,688.42 × 102,503.66
  4. Step 4: Simplify right side
    327,126.02x = 50,297,359,340.36
  5. Step 5: Solve for x
    x = 50,297,359,340.36/327,126.02
  6. Step 6: Final answer
    x = 153,755.30

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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.