Home / 172,826.76-238,531.86-101,202.60

Finding the Fourth Proportional to 172,826.76, 238,531.86 and 101,202.60

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Solution

The fourth proportional to 172,826.76, 238,531.86 and 101,202.60 is: 139,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.76 : 238,531.86 = 101,202.60 : x
  2. Step 2: Convert to fraction form
    172,826.76/238,531.86 = 101,202.60/x
  3. Step 3: Cross multiply
    172,826.76x = 238,531.86 × 101,202.60
  4. Step 4: Simplify right side
    172,826.76x = 24,140,044,414.84
  5. Step 5: Solve for x
    x = 24,140,044,414.84/172,826.76
  6. Step 6: Final answer
    x = 139,677.70

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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.