Home / 133,581.37-184,340.98-72,327.26

Finding the Fourth Proportional to 133,581.37, 184,340.98 and 72,327.26

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Solution

The fourth proportional to 133,581.37, 184,340.98 and 72,327.26 is: 99,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,581.37 : 184,340.98 = 72,327.26 : x
  2. Step 2: Convert to fraction form
    133,581.37/184,340.98 = 72,327.26/x
  3. Step 3: Cross multiply
    133,581.37x = 184,340.98 × 72,327.26
  4. Step 4: Simplify right side
    133,581.37x = 13,332,877,989.11
  5. Step 5: Solve for x
    x = 13,332,877,989.11/133,581.37
  6. Step 6: Final answer
    x = 99,810.91

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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.