Home / 101,544.28-152,347.56-45,431.62

Finding the Fourth Proportional to 101,544.28, 152,347.56 and 45,431.62

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Solution

The fourth proportional to 101,544.28, 152,347.56 and 45,431.62 is: 68,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.28 : 152,347.56 = 45,431.62 : x
  2. Step 2: Convert to fraction form
    101,544.28/152,347.56 = 45,431.62/x
  3. Step 3: Cross multiply
    101,544.28x = 152,347.56 × 45,431.62
  4. Step 4: Simplify right side
    101,544.28x = 6,921,396,453.85
  5. Step 5: Solve for x
    x = 6,921,396,453.85/101,544.28
  6. Step 6: Final answer
    x = 68,161.36

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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.