Home / 272,584.10-376,166.03-151,722.78

Finding the Fourth Proportional to 272,584.10, 376,166.03 and 151,722.78

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Solution

The fourth proportional to 272,584.10, 376,166.03 and 151,722.78 is: 209,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,584.10 : 376,166.03 = 151,722.78 : x
  2. Step 2: Convert to fraction form
    272,584.10/376,166.03 = 151,722.78/x
  3. Step 3: Cross multiply
    272,584.10x = 376,166.03 × 151,722.78
  4. Step 4: Simplify right side
    272,584.10x = 57,072,955,054.55
  5. Step 5: Solve for x
    x = 57,072,955,054.55/272,584.10
  6. Step 6: Final answer
    x = 209,377.42

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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.