Home / 143,713.42-215,603.53-48,944.43

Finding the Fourth Proportional to 143,713.42, 215,603.53 and 48,944.43

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Solution

The fourth proportional to 143,713.42, 215,603.53 and 48,944.43 is: 73,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,713.42 : 215,603.53 = 48,944.43 : x
  2. Step 2: Convert to fraction form
    143,713.42/215,603.53 = 48,944.43/x
  3. Step 3: Cross multiply
    143,713.42x = 215,603.53 × 48,944.43
  4. Step 4: Simplify right side
    143,713.42x = 10,552,591,759.48
  5. Step 5: Solve for x
    x = 10,552,591,759.48/143,713.42
  6. Step 6: Final answer
    x = 73,428.02

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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.