Home / 133,616.22-184,420.73-83,305.50

Finding the Fourth Proportional to 133,616.22, 184,420.73 and 83,305.50

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Solution

The fourth proportional to 133,616.22, 184,420.73 and 83,305.50 is: 114,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.22 : 184,420.73 = 83,305.50 : x
  2. Step 2: Convert to fraction form
    133,616.22/184,420.73 = 83,305.50/x
  3. Step 3: Cross multiply
    133,616.22x = 184,420.73 × 83,305.50
  4. Step 4: Simplify right side
    133,616.22x = 15,363,261,123.02
  5. Step 5: Solve for x
    x = 15,363,261,123.02/133,616.22
  6. Step 6: Final answer
    x = 114,980.51

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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.