Home / 156,087.92-234,196.66-99,991.28

Finding the Fourth Proportional to 156,087.92, 234,196.66 and 99,991.28

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Solution

The fourth proportional to 156,087.92, 234,196.66 and 99,991.28 is: 150,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.92 : 234,196.66 = 99,991.28 : x
  2. Step 2: Convert to fraction form
    156,087.92/234,196.66 = 99,991.28/x
  3. Step 3: Cross multiply
    156,087.92x = 234,196.66 × 99,991.28
  4. Step 4: Simplify right side
    156,087.92x = 23,417,623,805.12
  5. Step 5: Solve for x
    x = 23,417,623,805.12/156,087.92
  6. Step 6: Final answer
    x = 150,028.42

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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.