Home / 173,919.70-262,064.21-143,021.84

Finding the Fourth Proportional to 173,919.70, 262,064.21 and 143,021.84

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Solution

The fourth proportional to 173,919.70, 262,064.21 and 143,021.84 is: 215,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,919.70 : 262,064.21 = 143,021.84 : x
  2. Step 2: Convert to fraction form
    173,919.70/262,064.21 = 143,021.84/x
  3. Step 3: Cross multiply
    173,919.70x = 262,064.21 × 143,021.84
  4. Step 4: Simplify right side
    173,919.70x = 37,480,905,452.40
  5. Step 5: Solve for x
    x = 37,480,905,452.40/173,919.70
  6. Step 6: Final answer
    x = 215,506.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.