Home / 130,071.15-195,217.83-92,722.59

Finding the Fourth Proportional to 130,071.15, 195,217.83 and 92,722.59

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Solution

The fourth proportional to 130,071.15, 195,217.83 and 92,722.59 is: 139,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,071.15 : 195,217.83 = 92,722.59 : x
  2. Step 2: Convert to fraction form
    130,071.15/195,217.83 = 92,722.59/x
  3. Step 3: Cross multiply
    130,071.15x = 195,217.83 × 92,722.59
  4. Step 4: Simplify right side
    130,071.15x = 18,101,102,811.78
  5. Step 5: Solve for x
    x = 18,101,102,811.78/130,071.15
  6. Step 6: Final answer
    x = 139,163.09

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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.