Home / 272,921.60-376,659.54-152,082.56

Finding the Fourth Proportional to 272,921.60, 376,659.54 and 152,082.56

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Solution

The fourth proportional to 272,921.60, 376,659.54 and 152,082.56 is: 209,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,921.60 : 376,659.54 = 152,082.56 : x
  2. Step 2: Convert to fraction form
    272,921.60/376,659.54 = 152,082.56/x
  3. Step 3: Cross multiply
    272,921.60x = 376,659.54 × 152,082.56
  4. Step 4: Simplify right side
    272,921.60x = 57,283,347,091.62
  5. Step 5: Solve for x
    x = 57,283,347,091.62/272,921.60
  6. Step 6: Final answer
    x = 209,889.39

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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.