Home / 115,441.30-173,162.04-92,215.36

Finding the Fourth Proportional to 115,441.30, 173,162.04 and 92,215.36

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Solution

The fourth proportional to 115,441.30, 173,162.04 and 92,215.36 is: 138,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441.30 : 173,162.04 = 92,215.36 : x
  2. Step 2: Convert to fraction form
    115,441.30/173,162.04 = 92,215.36/x
  3. Step 3: Cross multiply
    115,441.30x = 173,162.04 × 92,215.36
  4. Step 4: Simplify right side
    115,441.30x = 15,968,199,856.93
  5. Step 5: Solve for x
    x = 15,968,199,856.93/115,441.30
  6. Step 6: Final answer
    x = 138,323.11

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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.