Home / 106,532.32-159,645.06-73,289.92

Finding the Fourth Proportional to 106,532.32, 159,645.06 and 73,289.92

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Solution

The fourth proportional to 106,532.32, 159,645.06 and 73,289.92 is: 109,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,532.32 : 159,645.06 = 73,289.92 : x
  2. Step 2: Convert to fraction form
    106,532.32/159,645.06 = 73,289.92/x
  3. Step 3: Cross multiply
    106,532.32x = 159,645.06 × 73,289.92
  4. Step 4: Simplify right side
    106,532.32x = 11,700,373,675.80
  5. Step 5: Solve for x
    x = 11,700,373,675.80/106,532.32
  6. Step 6: Final answer
    x = 109,829.33

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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.