Home / 272,910.72-376,644.36-152,071.68

Finding the Fourth Proportional to 272,910.72, 376,644.36 and 152,071.68

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Solution

The fourth proportional to 272,910.72, 376,644.36 and 152,071.68 is: 209,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,910.72 : 376,644.36 = 152,071.68 : x
  2. Step 2: Convert to fraction form
    272,910.72/376,644.36 = 152,071.68/x
  3. Step 3: Cross multiply
    272,910.72x = 376,644.36 × 152,071.68
  4. Step 4: Simplify right side
    272,910.72x = 57,276,940,587.72
  5. Step 5: Solve for x
    x = 57,276,940,587.72/272,910.72
  6. Step 6: Final answer
    x = 209,874.28

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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.