Home / 177,447.45-244,898.96-100,985.15

Finding the Fourth Proportional to 177,447.45, 244,898.96 and 100,985.15

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Solution

The fourth proportional to 177,447.45, 244,898.96 and 100,985.15 is: 139,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,447.45 : 244,898.96 = 100,985.15 : x
  2. Step 2: Convert to fraction form
    177,447.45/244,898.96 = 100,985.15/x
  3. Step 3: Cross multiply
    177,447.45x = 244,898.96 × 100,985.15
  4. Step 4: Simplify right side
    177,447.45x = 24,731,156,481.02
  5. Step 5: Solve for x
    x = 24,731,156,481.02/177,447.45
  6. Step 6: Final answer
    x = 139,371.72

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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.