Home / 219,688.94-303,156.43-122,876.02

Finding the Fourth Proportional to 219,688.94, 303,156.43 and 122,876.02

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Solution

The fourth proportional to 219,688.94, 303,156.43 and 122,876.02 is: 169,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,688.94 : 303,156.43 = 122,876.02 : x
  2. Step 2: Convert to fraction form
    219,688.94/303,156.43 = 122,876.02/x
  3. Step 3: Cross multiply
    219,688.94x = 303,156.43 × 122,876.02
  4. Step 4: Simplify right side
    219,688.94x = 37,250,654,490.73
  5. Step 5: Solve for x
    x = 37,250,654,490.73/219,688.94
  6. Step 6: Final answer
    x = 169,560.90

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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.