Home / 103,250.46-154,842.86-70,183.02

Finding the Fourth Proportional to 103,250.46, 154,842.86 and 70,183.02

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Solution

The fourth proportional to 103,250.46, 154,842.86 and 70,183.02 is: 105,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250.46 : 154,842.86 = 70,183.02 : x
  2. Step 2: Convert to fraction form
    103,250.46/154,842.86 = 70,183.02/x
  3. Step 3: Cross multiply
    103,250.46x = 154,842.86 × 70,183.02
  4. Step 4: Simplify right side
    103,250.46x = 10,867,339,189.32
  5. Step 5: Solve for x
    x = 10,867,339,189.32/103,250.46
  6. Step 6: Final answer
    x = 105,252.21

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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.