Home / 327,620.64-491,430.54-103,000.68

Finding the Fourth Proportional to 327,620.64, 491,430.54 and 103,000.68

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Solution

The fourth proportional to 327,620.64, 491,430.54 and 103,000.68 is: 154,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,620.64 : 491,430.54 = 103,000.68 : x
  2. Step 2: Convert to fraction form
    327,620.64/491,430.54 = 103,000.68/x
  3. Step 3: Cross multiply
    327,620.64x = 491,430.54 × 103,000.68
  4. Step 4: Simplify right side
    327,620.64x = 50,617,679,792.77
  5. Step 5: Solve for x
    x = 50,617,679,792.77/327,620.64
  6. Step 6: Final answer
    x = 154,500.89

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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.