Home / 154,251.42-231,403.05-49,102.62

Finding the Fourth Proportional to 154,251.42, 231,403.05 and 49,102.62

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Solution

The fourth proportional to 154,251.42, 231,403.05 and 49,102.62 is: 73,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,251.42 : 231,403.05 = 49,102.62 : x
  2. Step 2: Convert to fraction form
    154,251.42/231,403.05 = 49,102.62/x
  3. Step 3: Cross multiply
    154,251.42x = 231,403.05 × 49,102.62
  4. Step 4: Simplify right side
    154,251.42x = 11,362,496,030.99
  5. Step 5: Solve for x
    x = 11,362,496,030.99/154,251.42
  6. Step 6: Final answer
    x = 73,662.18

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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.