Home / 133,619.85-184,410.95-77,033.25

Finding the Fourth Proportional to 133,619.85, 184,410.95 and 77,033.25

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Solution

The fourth proportional to 133,619.85, 184,410.95 and 77,033.25 is: 106,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.85 : 184,410.95 = 77,033.25 : x
  2. Step 2: Convert to fraction form
    133,619.85/184,410.95 = 77,033.25/x
  3. Step 3: Cross multiply
    133,619.85x = 184,410.95 × 77,033.25
  4. Step 4: Simplify right side
    133,619.85x = 14,205,774,428.92
  5. Step 5: Solve for x
    x = 14,205,774,428.92/133,619.85
  6. Step 6: Final answer
    x = 106,314.85

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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.