Home / 106,189.12-159,382.28-53,635.56

Finding the Fourth Proportional to 106,189.12, 159,382.28 and 53,635.56

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Solution

The fourth proportional to 106,189.12, 159,382.28 and 53,635.56 is: 80,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,189.12 : 159,382.28 = 53,635.56 : x
  2. Step 2: Convert to fraction form
    106,189.12/159,382.28 = 53,635.56/x
  3. Step 3: Cross multiply
    106,189.12x = 159,382.28 × 53,635.56
  4. Step 4: Simplify right side
    106,189.12x = 8,548,557,841.88
  5. Step 5: Solve for x
    x = 8,548,557,841.88/106,189.12
  6. Step 6: Final answer
    x = 80,503.14

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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.