Home / 327,160.64-490,740.21-102,538.19

Finding the Fourth Proportional to 327,160.64, 490,740.21 and 102,538.19

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Solution

The fourth proportional to 327,160.64, 490,740.21 and 102,538.19 is: 153,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,160.64 : 490,740.21 = 102,538.19 : x
  2. Step 2: Convert to fraction form
    327,160.64/490,740.21 = 102,538.19/x
  3. Step 3: Cross multiply
    327,160.64x = 490,740.21 × 102,538.19
  4. Step 4: Simplify right side
    327,160.64x = 50,319,610,439.92
  5. Step 5: Solve for x
    x = 50,319,610,439.92/327,160.64
  6. Step 6: Final answer
    x = 153,807.04

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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.