Home / 143,716.36-215,607.96-48,947.38

Finding the Fourth Proportional to 143,716.36, 215,607.96 and 48,947.38

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Solution

The fourth proportional to 143,716.36, 215,607.96 and 48,947.38 is: 73,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,716.36 : 215,607.96 = 48,947.38 : x
  2. Step 2: Convert to fraction form
    143,716.36/215,607.96 = 48,947.38/x
  3. Step 3: Cross multiply
    143,716.36x = 215,607.96 × 48,947.38
  4. Step 4: Simplify right side
    143,716.36x = 10,553,444,749.14
  5. Step 5: Solve for x
    x = 10,553,444,749.14/143,716.36
  6. Step 6: Final answer
    x = 73,432.45

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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.