Home / 190,606.68-285,800.62-72,202.50

Finding the Fourth Proportional to 190,606.68, 285,800.62 and 72,202.50

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Solution

The fourth proportional to 190,606.68, 285,800.62 and 72,202.50 is: 108,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,606.68 : 285,800.62 = 72,202.50 : x
  2. Step 2: Convert to fraction form
    190,606.68/285,800.62 = 72,202.50/x
  3. Step 3: Cross multiply
    190,606.68x = 285,800.62 × 72,202.50
  4. Step 4: Simplify right side
    190,606.68x = 20,635,519,265.55
  5. Step 5: Solve for x
    x = 20,635,519,265.55/190,606.68
  6. Step 6: Final answer
    x = 108,262.31

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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.