Home / 272,823.05-376,436.42-165,419.48

Finding the Fourth Proportional to 272,823.05, 376,436.42 and 165,419.48

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Solution

The fourth proportional to 272,823.05, 376,436.42 and 165,419.48 is: 228,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,823.05 : 376,436.42 = 165,419.48 : x
  2. Step 2: Convert to fraction form
    272,823.05/376,436.42 = 165,419.48/x
  3. Step 3: Cross multiply
    272,823.05x = 376,436.42 × 165,419.48
  4. Step 4: Simplify right side
    272,823.05x = 62,269,916,849.46
  5. Step 5: Solve for x
    x = 62,269,916,849.46/272,823.05
  6. Step 6: Final answer
    x = 228,242.87

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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.