Home / 100,901.34-151,352.20-94,735.80

Finding the Fourth Proportional to 100,901.34, 151,352.20 and 94,735.80

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Solution

The fourth proportional to 100,901.34, 151,352.20 and 94,735.80 is: 142,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,901.34 : 151,352.20 = 94,735.80 : x
  2. Step 2: Convert to fraction form
    100,901.34/151,352.20 = 94,735.80/x
  3. Step 3: Cross multiply
    100,901.34x = 151,352.20 × 94,735.80
  4. Step 4: Simplify right side
    100,901.34x = 14,338,470,992.00
  5. Step 5: Solve for x
    x = 14,338,470,992.00/100,901.34
  6. Step 6: Final answer
    x = 142,103.87

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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.