Home / 133,276.82-183,904.26-85,594.76

Finding the Fourth Proportional to 133,276.82, 183,904.26 and 85,594.76

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Solution

The fourth proportional to 133,276.82, 183,904.26 and 85,594.76 is: 118,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.82 : 183,904.26 = 85,594.76 : x
  2. Step 2: Convert to fraction form
    133,276.82/183,904.26 = 85,594.76/x
  3. Step 3: Cross multiply
    133,276.82x = 183,904.26 × 85,594.76
  4. Step 4: Simplify right side
    133,276.82x = 15,741,240,997.68
  5. Step 5: Solve for x
    x = 15,741,240,997.68/133,276.82
  6. Step 6: Final answer
    x = 118,109.37

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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.