Home / 173,222.10-259,869.60-54,905.40

Finding the Fourth Proportional to 173,222.10, 259,869.60 and 54,905.40

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Solution

The fourth proportional to 173,222.10, 259,869.60 and 54,905.40 is: 82,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,222.10 : 259,869.60 = 54,905.40 : x
  2. Step 2: Convert to fraction form
    173,222.10/259,869.60 = 54,905.40/x
  3. Step 3: Cross multiply
    173,222.10x = 259,869.60 × 54,905.40
  4. Step 4: Simplify right side
    173,222.10x = 14,268,244,335.84
  5. Step 5: Solve for x
    x = 14,268,244,335.84/173,222.10
  6. Step 6: Final answer
    x = 82,369.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.