Home / 143,231.04-214,770.96-48,428.64

Finding the Fourth Proportional to 143,231.04, 214,770.96 and 48,428.64

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Solution

The fourth proportional to 143,231.04, 214,770.96 and 48,428.64 is: 72,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,231.04 : 214,770.96 = 48,428.64 : x
  2. Step 2: Convert to fraction form
    143,231.04/214,770.96 = 48,428.64/x
  3. Step 3: Cross multiply
    143,231.04x = 214,770.96 × 48,428.64
  4. Step 4: Simplify right side
    143,231.04x = 10,401,065,504.29
  5. Step 5: Solve for x
    x = 10,401,065,504.29/143,231.04
  6. Step 6: Final answer
    x = 72,617.40

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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.