Home / 133,570.22-184,319.94-73,129.28

Finding the Fourth Proportional to 133,570.22, 184,319.94 and 73,129.28

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Solution

The fourth proportional to 133,570.22, 184,319.94 and 73,129.28 is: 100,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,570.22 : 184,319.94 = 73,129.28 : x
  2. Step 2: Convert to fraction form
    133,570.22/184,319.94 = 73,129.28/x
  3. Step 3: Cross multiply
    133,570.22x = 184,319.94 × 73,129.28
  4. Step 4: Simplify right side
    133,570.22x = 13,479,184,501.84
  5. Step 5: Solve for x
    x = 13,479,184,501.84/133,570.22
  6. Step 6: Final answer
    x = 100,914.59

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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.