Home / 133,277.82-183,905.64-85,595.76

Finding the Fourth Proportional to 133,277.82, 183,905.64 and 85,595.76

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Solution

The fourth proportional to 133,277.82, 183,905.64 and 85,595.76 is: 118,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277.82 : 183,905.64 = 85,595.76 : x
  2. Step 2: Convert to fraction form
    133,277.82/183,905.64 = 85,595.76/x
  3. Step 3: Cross multiply
    133,277.82x = 183,905.64 × 85,595.76
  4. Step 4: Simplify right side
    133,277.82x = 15,741,543,024.09
  5. Step 5: Solve for x
    x = 15,741,543,024.09/133,277.82
  6. Step 6: Final answer
    x = 118,110.75

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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.