Home / 103,682.72-155,711.44-95,347.36

Finding the Fourth Proportional to 103,682.72, 155,711.44 and 95,347.36

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Solution

The fourth proportional to 103,682.72, 155,711.44 and 95,347.36 is: 143,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682.72 : 155,711.44 = 95,347.36 : x
  2. Step 2: Convert to fraction form
    103,682.72/155,711.44 = 95,347.36/x
  3. Step 3: Cross multiply
    103,682.72x = 155,711.44 × 95,347.36
  4. Step 4: Simplify right side
    103,682.72x = 14,846,674,725.80
  5. Step 5: Solve for x
    x = 14,846,674,725.80/103,682.72
  6. Step 6: Final answer
    x = 143,193.34

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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.