Home / 133,578.21-184,334.67-73,151.40

Finding the Fourth Proportional to 133,578.21, 184,334.67 and 73,151.40

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Solution

The fourth proportional to 133,578.21, 184,334.67 and 73,151.40 is: 100,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,578.21 : 184,334.67 = 73,151.40 : x
  2. Step 2: Convert to fraction form
    133,578.21/184,334.67 = 73,151.40/x
  3. Step 3: Cross multiply
    133,578.21x = 184,334.67 × 73,151.40
  4. Step 4: Simplify right side
    133,578.21x = 13,484,339,179.04
  5. Step 5: Solve for x
    x = 13,484,339,179.04/133,578.21
  6. Step 6: Final answer
    x = 100,947.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.