Home / 133,857.12-184,701.96-77,257.56

Finding the Fourth Proportional to 133,857.12, 184,701.96 and 77,257.56

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Solution

The fourth proportional to 133,857.12, 184,701.96 and 77,257.56 is: 106,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.12 : 184,701.96 = 77,257.56 : x
  2. Step 2: Convert to fraction form
    133,857.12/184,701.96 = 77,257.56/x
  3. Step 3: Cross multiply
    133,857.12x = 184,701.96 × 77,257.56
  4. Step 4: Simplify right side
    133,857.12x = 14,269,622,756.82
  5. Step 5: Solve for x
    x = 14,269,622,756.82/133,857.12
  6. Step 6: Final answer
    x = 106,603.39

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1.5x scale

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.