Home / 106,109.20-159,165.54-35,990.32

Finding the Fourth Proportional to 106,109.20, 159,165.54 and 35,990.32

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Solution

The fourth proportional to 106,109.20, 159,165.54 and 35,990.32 is: 53,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,109.20 : 159,165.54 = 35,990.32 : x
  2. Step 2: Convert to fraction form
    106,109.20/159,165.54 = 35,990.32/x
  3. Step 3: Cross multiply
    106,109.20x = 159,165.54 × 35,990.32
  4. Step 4: Simplify right side
    106,109.20x = 5,728,418,717.57
  5. Step 5: Solve for x
    x = 5,728,418,717.57/106,109.20
  6. Step 6: Final answer
    x = 53,986.07

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1.5x scale

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.