Home / 101,735.05-152,571.37-70,346.80

Finding the Fourth Proportional to 101,735.05, 152,571.37 and 70,346.80

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Solution

The fourth proportional to 101,735.05, 152,571.37 and 70,346.80 is: 105,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,735.05 : 152,571.37 = 70,346.80 : x
  2. Step 2: Convert to fraction form
    101,735.05/152,571.37 = 70,346.80/x
  3. Step 3: Cross multiply
    101,735.05x = 152,571.37 × 70,346.80
  4. Step 4: Simplify right side
    101,735.05x = 10,732,907,651.12
  5. Step 5: Solve for x
    x = 10,732,907,651.12/101,735.05
  6. Step 6: Final answer
    x = 105,498.62

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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.