Home / 188,727.00-260,539.71-145,609.68

Finding the Fourth Proportional to 188,727.00, 260,539.71 and 145,609.68

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Solution

The fourth proportional to 188,727.00, 260,539.71 and 145,609.68 is: 201,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,727.00 : 260,539.71 = 145,609.68 : x
  2. Step 2: Convert to fraction form
    188,727.00/260,539.71 = 145,609.68/x
  3. Step 3: Cross multiply
    188,727.00x = 260,539.71 × 145,609.68
  4. Step 4: Simplify right side
    188,727.00x = 37,937,104,231.38
  5. Step 5: Solve for x
    x = 37,937,104,231.38/188,727.00
  6. Step 6: Final answer
    x = 201,015.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.